Dyfyniad APA

Perry, T. W. (2003). Feeds & FeedingTilden Wayne Perry, Arthur E. Cullison, Robert S. Lowrey. Prentice Hall.

Dyfyniad Arddull Chicago

Perry, Tilden Wayne. Feeds & FeedingTilden Wayne Perry, Arthur E. Cullison, Robert S. Lowrey. Prentice Hall, 2003.

Dyfyniad MLA

Perry, Tilden Wayne. Feeds & FeedingTilden Wayne Perry, Arthur E. Cullison, Robert S. Lowrey. Prentice Hall, 2003.

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