Hellmann, E., & Abrahams, L. (1949). Handbook on race relations in South Africa: Ed. by Ellen Hellmann. Ass. by Leah Abrahams. Publ. for the South African Institute of Race Relations. Oxford Univ. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHellmann, Ellen, और Leah Abrahams. Handbook on Race Relations in South Africa: Ed. by Ellen Hellmann. Ass. by Leah Abrahams. Publ. for the South African Institute of Race Relations. Cape Town [u.a.]: Oxford Univ. Press, 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHellmann, Ellen, और Leah Abrahams. Handbook on Race Relations in South Africa: Ed. by Ellen Hellmann. Ass. by Leah Abrahams. Publ. for the South African Institute of Race Relations. Oxford Univ. Press, 1949.
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