Wobeser, G. A. (1992). Diseases of wild waterfowl.: Gary A. Wobeser (2nd ed.). Plenum press.
Tohutoru Kātū Chicago (17th ed.)Wobeser, Gary A. Diseases of Wild Waterfowl.: Gary A. Wobeser. 2nd ed. New York: Plenum press, 1992.
Tohutoro MLA (9th ed.)Wobeser, Gary A. Diseases of Wild Waterfowl.: Gary A. Wobeser. 2nd ed. Plenum press, 1992.
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