Dyfyniad APA

(2008). Diseases of poultry. Ames, Iowa, USA: Iowa State University Press.

Dyfyniad Arddull Chicago

Diseases of Poultry. Ames, Iowa, USA: Iowa State University Press, 2008.

Dyfyniad MLA

Diseases of Poultry. Ames, Iowa, USA: Iowa State University Press, 2008.

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