Dyfyniad APA

(2010). Gastrointestinal Nematodes of Sheep and Cattle: Biology and control. Wiley.

Dyfyniad Arddull Chicago

Gastrointestinal Nematodes of Sheep and Cattle: Biology and Control. UK: Wiley, 2010.

Dyfyniad MLA

Gastrointestinal Nematodes of Sheep and Cattle: Biology and Control. Wiley, 2010.

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