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