APA (7th ed.) Zitazioa
Askins, R. (2002). Restoring North America's birds: Lessons from landscape ecology (2nd ed.). Yale University Press.
Chicago Style (17th ed.) Zitazioa
Askins, Robert. Restoring North America's Birds: Lessons from Landscape Ecology. 2nd ed. New Haven: Yale University Press, 2002.
MLA (9th ed.) Zitazioa
Askins, Robert. Restoring North America's Birds: Lessons from Landscape Ecology. 2nd ed. Yale University Press, 2002.
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