Walters, M. (2003). Insects. Dorling Kindersley.
Cita Chicago (17th ed.)Walters, Martin. Insects. New York: Dorling Kindersley, 2003.
Cita MLA (9th ed.)Walters, Martin. Insects. Dorling Kindersley, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.