Dyfyniad APA

(1971). A manual of poultry diseases. Texas: Texas A & M University, Texas Agricultural Extension Service, Texas Agricultural Experiment Station,|.

Dyfyniad Arddull Chicago

A Manual of Poultry Diseases. Texas: Texas A & M University, Texas Agricultural Extension Service, Texas Agricultural Experiment Station,|, 1971.

Dyfyniad MLA

A Manual of Poultry Diseases. Texas: Texas A & M University, Texas Agricultural Extension Service, Texas Agricultural Experiment Station,|, 1971.

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