Gaya APA

Rowlinson, S., Mcdermott, P. (1999). Procurement Systems : A Guide to best practice in Construction (-). New York: E & FN Spon.

Gaya MLA

Rowlinson, Steve., Mcdermott, Peter. "Procurement Systems : A Guide to best practice in Construction". - New York: E & FN Spon, 1999. Text.