APA
Fetais A., Construction and Building Research Conference, Perera S. & Zhou L. (2013). Significance of the people factor in early stage estimating of project costs. London: RICS.
Chicago
Fetais Abdulla, Construction and Building Research Conference, Perera Srinath and Zhou Lei. 2013. Significance of the people factor in early stage estimating of project costs. London: RICS.
Harvard
Fetais A., Construction and Building Research Conference, Perera S. and Zhou L. (2013). Significance of the people factor in early stage estimating of project costs. London: RICS.
MLA
Fetais Abdulla, Construction and Building Research Conference, Perera Srinath and Zhou Lei. Significance of the people factor in early stage estimating of project costs. London: RICS. 2013.