Raper, P. E. (2020). Voices past and present: A comparison of Old Cape dialectal, Bushman and Khoikhoi words. UJ Press.
Chicago-viite (17. p.)Raper, Peter E. Voices Past and Present: A Comparison of Old Cape Dialectal, Bushman and Khoikhoi Words. Bloemfontein: UJ Press, 2020.
MLA-viite (9. p.)Raper, Peter E. Voices Past and Present: A Comparison of Old Cape Dialectal, Bushman and Khoikhoi Words. UJ Press, 2020.
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