Odum, E. P., & Barrett, G. W. (2005). Fundamentals of ecology (5th ed.). Thomson Brooks/Cole.
Cita Chicago (17th ed.)Odum, Eugene P., i Gary W. Barrett. Fundamentals of Ecology. 5th ed. Belmont, Calif.: Thomson Brooks/Cole, 2005.
Cita MLA (9th ed.)Odum, Eugene P., i Gary W. Barrett. Fundamentals of Ecology. 5th ed. Thomson Brooks/Cole, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.