Dyfyniad APA

ebrary, Inc. (2004). Nonnative oysters in the Chesapeake Bay. National Academies Press.

Dyfyniad Arddull Chicago

ebrary, Inc. Nonnative Oysters in the Chesapeake Bay. Washington, D.C.: National Academies Press, 2004.

Dyfyniad MLA

ebrary, Inc. Nonnative Oysters in the Chesapeake Bay. National Academies Press, 2004.

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