Walt, V. d. (1997). Being human in a christian perspective. Potchefstroom.
Čikaški stil citiranja (17. izdanje)Walt, Van der. Being Human in a Christian Perspective. Onderwys: Potchefstroom, 1997.
MLA način citiranja (9. izdanje)Walt, Van der. Being Human in a Christian Perspective. Potchefstroom, 1997.
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