Παραπομπή σε μορφή APA (7η εκδ.)

Zimbalist, A. S. (1999). Unpaid professionals: Commercialism and conflict in big-time college sports. Princeton University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zimbalist, Andrew S. Unpaid Professionals: Commercialism and Conflict in Big-time College Sports. Princeton, N.J.: Princeton University Press, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Zimbalist, Andrew S. Unpaid Professionals: Commercialism and Conflict in Big-time College Sports. Princeton University Press, 1999.