APA
Okumbe J. O., Construction and Building Research Conference & Verster J. J. P. (2008). Construction industry perspective on causes and effects of delays in South Africa. London: RICS.
Chicago
Okumbe J O, Construction and Building Research Conference and Verster J J P. 2008. Construction industry perspective on causes and effects of delays in South Africa. London: RICS.
Harvard
Okumbe J. O., Construction and Building Research Conference and Verster J. J. P. (2008). Construction industry perspective on causes and effects of delays in South Africa. London: RICS.
MLA
Okumbe J O, Construction and Building Research Conference and Verster J J P. Construction industry perspective on causes and effects of delays in South Africa. London: RICS. 2008.
