1. Ahmed Syed Salman Azhar Mauricio Castello and Pragnya Kappagantula (2002) Construction Delays in Florida: An Empirical Study State of Florida: Department of Community Affairs.
2. American Institute of Architects (2007) AIA Document A201: The General Conditions of the Contract for Construction Washington DC.
3. Atkinson D. (2007) Time At Large Atkinson Law East Sussex England.
4. Booen P. L (2000). The FIDIC Contracts Guide. Federation Internationale Des Ingineurs Conseile Genève Switzerland.
5. Bunni N. G.(2005) The FIDIC Forms of Contract. Wiley-Blackwell United Kingdorm.