Dyfyniad APA

T G Hungerford. (1990). Diseases of Livestoke (9.). Mc Graw Hill Book Company.

Dyfyniad Arddull Chicago

T G Hungerford. Diseases of Livestoke. 9. Mc Graw Hill Book Company, 1990.

Dyfyniad MLA

T G Hungerford. Diseases of Livestoke. 9. Mc Graw Hill Book Company, 1990.

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