Não informado. (1965). UNISA english studies. University of South Africa, Department of English.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. UNISA English Studies. Pretoria, Africa do Sul: University of South Africa, Department of English, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. UNISA English Studies. University of South Africa, Department of English, 1965.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.