APA (7. basım) Alıntı

Donald Gear. (1987). Enjoying the natural environmental in Natal. Environmental Association of Southern Africa.

Chicago Style (17. basım) Atıf

Donald Gear. Enjoying the Natural Environmental in Natal. Environmental Association of Southern Africa, 1987.

MLA (9th ed.) Atıf

Donald Gear. Enjoying the Natural Environmental in Natal. Environmental Association of Southern Africa, 1987.