ebrary, Inc, & Batt, B. D. J. (1992). Ecology and management of breeding waterfowl. University of Minnesota Press.
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Dyfyniad Arddull Chicago
ebrary, Inc, and Bruce D. J. Batt. Ecology and Management of Breeding Waterfowl. Minneapolis: University of Minnesota Press, 1992.
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Dyfyniad MLA
ebrary, Inc, and Bruce D. J. Batt. Ecology and Management of Breeding Waterfowl. University of Minnesota Press, 1992.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.