APA-referens (7:e uppl.)

Acker, D. (1983). Animal science and industry (3rd ed.). Prentice-Hall.

Chicago-referens (17:e uppl.)

Acker, Duane. Animal Science and Industry. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1983.

MLA-referens (9:e uppl.)

Acker, Duane. Animal Science and Industry. 3rd ed. Prentice-Hall, 1983.