Citazione Stile APA (7a Edizione)

Walt, V. d. (1997). Being human in a christian perspective. Potchefstroom.

Citazione stile Chigago Style (17a edizione)

Walt, Van der. Being Human in a Christian Perspective. Onderwys: Potchefstroom, 1997.

Citatione MLA (9a ed.)

Walt, Van der. Being Human in a Christian Perspective. Potchefstroom, 1997.