Não informado. (1942). African Studies. University of the Witwatersrand, Department of Bantu Studies.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. African Studies. Johannesburg, Africa do Sul: University of the Witwatersrand, Department of Bantu Studies, 1942.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. African Studies. University of the Witwatersrand, Department of Bantu Studies, 1942.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.