Dyfyniad APA

O.I.C. Swine Breeders' Association. O.I.C. and Chester White swine grower. Yeater Pub. Co.

Dyfyniad Arddull Chicago

O.I.C. Swine Breeders' Association. O.I.C. and Chester White Swine Grower. Upland, Ind.: Yeater Pub. Co.

Dyfyniad MLA

O.I.C. Swine Breeders' Association. O.I.C. and Chester White Swine Grower. Yeater Pub. Co.

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