APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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