Dyfyniad APA

B W CALNEK, JOHN H BARNES, & L H Schwarte. (1965). Disease of poultry (9TH.). The Iova state university press.

Dyfyniad Arddull Chicago

B W CALNEK, JOHN H BARNES, and L H Schwarte. Disease of Poultry. 9TH. The Iova state university press, 1965.

Dyfyniad MLA

B W CALNEK, et al. Disease of Poultry. 9TH. The Iova state university press, 1965.

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