APA-referens (7:e uppl.)

Butler, J., & Rotberg, J. (1977). The black homelands of South Africa: The political and economic development of Bophuthatswana and Kwazulu. University of California Press Publishers.

Chicago-referens (17:e uppl.)

Butler, Jeffrey, och John Rotberg. The Black Homelands of South Africa: The Political and Economic Development of Bophuthatswana and Kwazulu. Berkerly: University of California Press Publishers, 1977.

MLA-referens (9:e uppl.)

Butler, Jeffrey, och John Rotberg. The Black Homelands of South Africa: The Political and Economic Development of Bophuthatswana and Kwazulu. University of California Press Publishers, 1977.