Dyfyniad APA

(1985). Dairy cattle: Principles, practises, problems, profits. Philadenphia: Lea & Febiger.

Dyfyniad Arddull Chicago

Dairy Cattle: Principles, Practises, Problems, Profits. Philadenphia: Lea & Febiger, 1985.

Dyfyniad MLA

Dairy Cattle: Principles, Practises, Problems, Profits. Philadenphia: Lea & Febiger, 1985.

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