Dyfyniad APA
Marzluff, J. M., & Angell, T. (2005). In the company of crows and ravens. Yale University Press.
Dyfyniad Arddull Chicago
Marzluff, John M., and Tony Angell. In the Company of Crows and Ravens. New Haven: Yale University Press, 2005.
Dyfyniad MLA
Marzluff, John M., and Tony Angell. In the Company of Crows and Ravens. Yale University Press, 2005.
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