Dyfyniad APA

Opena, J. P. Studies of the calcium and phosphorus requirements of broilers.

Dyfyniad Arddull Chicago

Opena, Jesse P. Studies of the Calcium and Phosphorus Requirements of Broilers.

Dyfyniad MLA

Opena, Jesse P. Studies of the Calcium and Phosphorus Requirements of Broilers.

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