Παραπομπή APA

Patla, D. A., Peterson, C. R., & Corn, P. S. (2009). Amphibian decline in Yellowstone National Park. National Academy of Sciences.

Παραπομπή Chicago Style

Patla, Debra A., Charles R. Peterson, και Paul Stephen Corn. Amphibian Decline in Yellowstone National Park. National Academy of Sciences, 2009.

Παραπομπή MLA

Patla, Debra A., Charles R. Peterson, και Paul Stephen Corn. Amphibian Decline in Yellowstone National Park. National Academy of Sciences, 2009.

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