Παραπομπή σε μορφή APA (7η εκδ.)

Williams, W. E. (2011). Race & economics: How much can be blamed on discrimination? Hoover Institution Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Williams, Walter E. Race & Economics: How Much Can Be Blamed on Discrimination? Stanford, Calif.: Hoover Institution Press, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Williams, Walter E. Race & Economics: How Much Can Be Blamed on Discrimination? Hoover Institution Press, 2011.