Παραπομπή σε μορφή APA (7η εκδ.)

Trepte, P. (2006). Regulating procurement: Understanding the ends and means of public procurement regulation. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Trepte, Peter-Armin. Regulating Procurement: Understanding the Ends and Means of Public Procurement Regulation. New York: Oxford University Press, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Trepte, Peter-Armin. Regulating Procurement: Understanding the Ends and Means of Public Procurement Regulation. Oxford University Press, 2006.