APA (7. basım) Alıntı

Turk, J. (1989). Introduction to environmental studies. Saunders College.

Chicago Style (17. basım) Atıf

Turk, Jonathan. Introduction to Environmental Studies. New York: Saunders College, 1989.

MLA (9th ed.) Atıf

Turk, Jonathan. Introduction to Environmental Studies. Saunders College, 1989.