Παραπομπή APA

Barrington, E. J. W. (1979). Invertebrate structure and function (2.).

Παραπομπή Chicago Style

Barrington, E J W. Invertebrate Structure and Function. 2. Nelson, 1979.

Παραπομπή MLA

Barrington, E J W. Invertebrate Structure and Function. 2. 1979.