APA-viite (7. p.)
Botha, A. P. (2007). Knowledge: Living and working with it. Juta & Co.
Chicago-viite (17. p.)
Botha, Anthon P. Knowledge: Living and Working with It. Cape Town: Juta & Co, 2007.
MLA-viite (9. p.)
Botha, Anthon P. Knowledge: Living and Working with It. Juta & Co, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.