Dyfyniad APA

ebrary, Inc. (1986). Nutrient requirements of cats (Rev. ed.). National Academy Press.

Dyfyniad Arddull Chicago

ebrary, Inc. Nutrient Requirements of Cats. Rev. ed. Washington, D.C.: National Academy Press, 1986.

Dyfyniad MLA

ebrary, Inc. Nutrient Requirements of Cats. Rev. ed. National Academy Press, 1986.

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