General Energy Management in Hotels:

1. Dr Clive Beggs, Oxford 2002, “Energy: Management, Supply and Conservation ”
2. Carbon Trust, Guide 36, Energy Efficiency in Hotels –“ A Guide for Owners and Managers”
3. Paul Wilkinson, Kirk R Smith, Sean Beevers, Cathryn Tonne, Tadj Oreszczyn 2007 london uk, “Energy, energy efficiency, and the built environment’’

Renewables:

1. G.J. Dalton, D.A. Lockington, T.E. Baldock, School of Engineering, University of Queensland, Brisbane,  Australia 2007, “Feasibility analysis of stand-alone renewable energy supply options for a large hotel’’
2. SCOTTISH EXECUTIVE, National Planning Policy Guideline, 2000 “Renewable energy developments’’
3.    Abdeen Mustafa Omer, Nottingham UK 2006 “Renewable building energy systems and passive human comfort solutions’’
4.   Chunhai Xia, Yingxin Zhu, Borong Lin, Department of Building Science, Tsinghua University, 100084 Beijing, PR China 2007 “Renewable energy utilization evaluation method in green buildings’’
5. H.I. Onovwionaa, V.I. Ugursalb, Department of Mechanical Engineering, Canada  2004 “Residential cogeneration systems: review of the current technology’’

Solar Energy:

1. Wei Tian, Yiping Wang, Jianbo Ren, Li Zhu, School of Chemical Engineering and Technology, Tianjin University, China 2006, “Effect of urban climate on building integrated photovoltaics performance’’

Wind Turbines:

1. A G Dutton, J A Halliday, M J Blanch, Energy Research Unit, CCLRC and contribution from partners, May 2005 “The Feasibility of Building- Mounted/Integrated Wind Turbines (BUWTs)’’
2. Andrew Grant, Cameron Johnstone, Nick Kelly, University of Strathclyde, Glasgow 2007, “Urban wind energy conversion: The potential of ducted turbines’’
3. A.S. Bahaj, L. Myers, P.A.B. James, Sustainable Energy Research Group, School of Civil Engineering and the Environment, University of Southampton, UK 2006 “Urban energy generation: Influence of micro-wind turbine output on electricity consumption in buildings’’

1. Thilo Herrmann, Uwe Schmida, Germany 2000 “Rainwater utilisation in Germany: efficiency, dimensioning, hydraulic and environmental aspects ’’
2. Department of Trade and Industry (London 2001) “Rainwater and greywater use in buildings - best practice guidance ’’
3. Department of Trade and Industry (London 2001) “Rainwater and greywater use in buildings – decision making for water conservation, ’’
4. Department of Trade and Industry (London 2004)“Model agreements for sustainable water management systems – Model agreements for rainwater and greywater use systems’’