APA

UNISA, Van Den Berg M., . (2005). Critical reasoning and the art of argumentation. Pretoria: University of South Africa.

Chicago

UNISA, Van Den Berg M.E.S, . 2005. Critical reasoning and the art of argumentation. Pretoria: University of South Africa.

Harvard

UNISA, Van Den Berg M., . (2005). Critical reasoning and the art of argumentation. Pretoria: University of South Africa.

MLA

UNISA, Van Den Berg M.E.S, . Critical reasoning and the art of argumentation. Pretoria: University of South Africa. 2005.