Dyfyniad APA

ebrary, Inc, & Batt, B. D. J. (1992). Ecology and management of breeding waterfowl. University of Minnesota Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Bruce D. J. Batt. Ecology and Management of Breeding Waterfowl. Minneapolis: University of Minnesota Press, 1992.

Dyfyniad MLA

ebrary, Inc, and Bruce D. J. Batt. Ecology and Management of Breeding Waterfowl. University of Minnesota Press, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.