APA (7. basım) Alıntı

Jampel, B. (1981). Gorilla: A fascinating look at the mysterious mountain gorillas of Central Africa. National Geographic Society.

Chicago Style (17. basım) Atıf

Jampel, Barbara. Gorilla: A Fascinating Look at the Mysterious Mountain Gorillas of Central Africa. [New York]: National Geographic Society, 1981.

MLA (9th ed.) Atıf

Jampel, Barbara. Gorilla: A Fascinating Look at the Mysterious Mountain Gorillas of Central Africa. National Geographic Society, 1981.