Dyfyniad APA

Harban singh. (1972). Livestock and poultry production (11th ed.). prentice-hall.

Dyfyniad Arddull Chicago

Harban singh. Livestock and Poultry Production. 11th ed. prentice-hall, 1972.

Dyfyniad MLA

Harban singh. Livestock and Poultry Production. 11th ed. prentice-hall, 1972.

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