Παραπομπή σε μορφή APA (7η εκδ.)

Kingdon, G., & Knight, J. (2001). Race and the incidence of unemployment in South Africa. University of Oxford.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kingdon, G., και J. Knight. Race and the Incidence of Unemployment in South Africa. University of Oxford, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kingdon, G., και J. Knight. Race and the Incidence of Unemployment in South Africa. University of Oxford, 2001.