APA-referens (7:e uppl.)

TURK, J., TURK, A., & ARMS, K. (1984). Environmental science.-- Ed. 3. Saunders College Pub.

Chicago-referens (17:e uppl.)

TURK, Jonathan, Amos TURK, och Karen ARMS. Environmental Science.-- Ed. 3. Philadelphia: Saunders College Pub, 1984.

MLA-referens (9:e uppl.)

TURK, Jonathan, et al. Environmental Science.-- Ed. 3. Saunders College Pub, 1984.