1. Abel, C. (1997). Architecture and identity: Towards a global eco-culture. Oxford: Architectural Press.
2. Ahmad, A.G. (1993). Conservation of british colonial buildings built between 1800 and 1930 in Malaysia. PhD. University of Sheffield.
3. Ahmad, A.G. (1998). Urban tourism in Malaysia: Heritage cities of Georgetown, Malacca and Kota Bahru. In: International Seminar on European Architecture and Town Planning Outside Europe.(Dutch Period).
4. Ahmad, A.G. (2006). Cultural Heritage of South East Asia: Preservation for World Recognition. Journal of Malaysian Town Plan, 3(1), 52-62.
5. Bianchini, F. & Parkinson, M.E. (1993). Cultural policy and urban regeneration: The West European experience. Cities, 12.(4).