Dyfyniad APA

Animales Sanos. United States Department of Agriculture, Agricultural Research Service.

Dyfyniad Arddull Chicago

Animales Sanos. United States Department of Agriculture, Agricultural Research Service.

Dyfyniad MLA

Animales Sanos. United States Department of Agriculture, Agricultural Research Service.

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