APA (7th ed.) Zitazioa
Pheko, S. E. M. (2017). African inventors and their inventions. Tokoloho Development Association.
Chicago Style (17th ed.) Zitazioa
Pheko, S. E. M. African Inventors and Their Inventions. South Africa: Tokoloho Development Association, 2017.
MLA (9th ed.) Zitazioa
Pheko, S. E. M. African Inventors and Their Inventions. Tokoloho Development Association, 2017.
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