Kok, J. H. (1996). Patterns of the Western mind: A reformed christian perspective. Potchefstroome Universiteit.
Tohutoru Kātū Chicago (17th ed.)Kok, John H. Patterns of the Western Mind: A Reformed Christian Perspective. Potchefstroome: Potchefstroome Universiteit, 1996.
Tohutoro MLA (9th ed.)Kok, John H. Patterns of the Western Mind: A Reformed Christian Perspective. Potchefstroome Universiteit, 1996.
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