Dyfyniad APA

Leman, D Allen, Howard W Dunne, & W Howard. (1975). Diseases of swine. The lowa state university press.

Dyfyniad Arddull Chicago

Leman, D Allen, Howard W Dunne, and W Howard. Diseases of Swine. The lowa state university press, 1975.

Dyfyniad MLA

Leman, et al. Diseases of Swine. The lowa state university press, 1975.

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