Jeffries, M., & Mills, D. (1992). Freshwater ecology principles and applications. CBS.
Cita Chicago (17th ed.)Jeffries, Michael, i Derek Mills. Freshwater Ecology Principles and Applications. New Delhi: CBS, 1992.
Cita MLA (9th ed.)Jeffries, Michael, i Derek Mills. Freshwater Ecology Principles and Applications. CBS, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.