APA-referens (7:e uppl.)

Needham, A. E. (1964). The growth process in animals. Van Nostrand.

Chicago-referens (17:e uppl.)

Needham, Arthur E. The Growth Process in Animals. Princeton, N.J: Van Nostrand, 1964.

MLA-referens (9:e uppl.)

Needham, Arthur E. The Growth Process in Animals. Van Nostrand, 1964.