Cita APA (7th ed.)
Walt, V. d. (1997). Being human in a christian perspective. Potchefstroom.
Cita Chicago (17th ed.)
Walt, Van der. Being Human in a Christian Perspective. Onderwys: Potchefstroom, 1997.
Cita MLA (9th ed.)
Walt, Van der. Being Human in a Christian Perspective. Potchefstroom, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.