APA
Mangitung D. M., Construction and Building Research Conference, . (2010). Factors influencing contractors being involved in prequalification. London: RICS.
Chicago
Mangitung Donny M, Construction and Building Research Conference, . 2010. Factors influencing contractors being involved in prequalification. London: RICS.
Harvard
Mangitung D. M., Construction and Building Research Conference, . (2010). Factors influencing contractors being involved in prequalification. London: RICS.
MLA
Mangitung Donny M, Construction and Building Research Conference, . Factors influencing contractors being involved in prequalification. London: RICS. 2010.