توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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