ebrary, Inc, & Batt, B. D. J. (1992). Ecology and management of breeding waterfowl. University of Minnesota Press.
Chicago-viite (17. p.)ebrary, Inc, ja Bruce D. J. Batt. Ecology and Management of Breeding Waterfowl. Minneapolis: University of Minnesota Press, 1992.
MLA-viite (9. p.)ebrary, Inc, ja Bruce D. J. Batt. Ecology and Management of Breeding Waterfowl. University of Minnesota Press, 1992.
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