Παραπομπή APA

Krebs, C. J. (2001). Ecology: The exprimental analysis of distribution and abundance (5th ed.). San Francisco: Benjamin Cummings.

Παραπομπή Chicago Style

Krebs, Charles J. Ecology: The Exprimental Analysis of Distribution and Abundance. 5th ed. San Francisco: Benjamin Cummings, 2001.

Παραπομπή MLA

Krebs, Charles J. Ecology: The Exprimental Analysis of Distribution and Abundance. 5th ed. San Francisco: Benjamin Cummings, 2001.

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