Dyfyniad APA

Perry, E. J. (1969). Artifical insemination of farm animals (4.). Oxford & IBH publishing company.

Dyfyniad Arddull Chicago

Perry, Enos J. Artifical Insemination of Farm Animals. 4. Calcutta: Oxford & IBH publishing company, 1969.

Dyfyniad MLA

Perry, Enos J. Artifical Insemination of Farm Animals. 4. Oxford & IBH publishing company, 1969.

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