Dunlap, T. R. (2011). In the field, among the feathered: A history of birders and their guides. Oxford University Press.
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Chicago Style (17th ed.) Zitazioa
Dunlap, Thomas R. In the Field, Among the Feathered: A History of Birders and Their Guides. Oxford ; New York: Oxford University Press, 2011.
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MLA (9th ed.) Zitazioa
Dunlap, Thomas R. In the Field, Among the Feathered: A History of Birders and Their Guides. Oxford University Press, 2011.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.