United Nations. Special Committee Against Apartheid & Clarke, J. H. (1979). Dimensions of the struggle against apartheid: Proceedings of Special Meeting of the Special Committee Against Apartheid on the 80th Anniversary of the Birth of Paul Robeson - 10 April 1978. Publications Center, African Heritage Studies Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. Special Committee Against Apartheid و John Henrik Clarke. Dimensions of the Struggle Against Apartheid: Proceedings of Special Meeting of the Special Committee Against Apartheid on the 80th Anniversary of the Birth of Paul Robeson - 10 April 1978. New York, N.Y: Publications Center, African Heritage Studies Association, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. Special Committee Against Apartheid و John Henrik Clarke. Dimensions of the Struggle Against Apartheid: Proceedings of Special Meeting of the Special Committee Against Apartheid on the 80th Anniversary of the Birth of Paul Robeson - 10 April 1978. Publications Center, African Heritage Studies Association, 1979.