Παραπομπή APA

Eugene P Odum & Gary W Barrett. (2005). Fundamentals of Ecology (5th ed.). Cenage Learning.

Παραπομπή Chicago Style

Eugene P Odum και Gary W Barrett. Fundamentals of Ecology. 5th ed. Delhi: Cenage Learning, 2005.

Παραπομπή MLA

Eugene P Odum και Gary W Barrett. Fundamentals of Ecology. 5th ed. Cenage Learning, 2005.