Boyden, A. (1973). Perspectives in zoology ([1st ed.].). Pergamon.
Cita Chicago (17th ed.)Boyden, Alan. Perspectives in Zoology. [1st ed.]. Oxford: Pergamon, 1973.
Cita MLA (9th ed.)Boyden, Alan. Perspectives in Zoology. [1st ed.]. Pergamon, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.