Dyfyniad APA

(1986). Diseases of swine. Ames, Iowa, U.S.A: Iowa State University Press.

Dyfyniad Arddull Chicago

Diseases of Swine. Ames, Iowa, U.S.A: Iowa State University Press, 1986.

Dyfyniad MLA

Diseases of Swine. Ames, Iowa, U.S.A: Iowa State University Press, 1986.

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