Dyfyniad APA

BALLARD,Ernesta Drinker. (1962). THE ART OF TRAINING PLANTS. HARPER & BROTHERS.

Dyfyniad Arddull Chicago

BALLARD,Ernesta Drinker. THE ART OF TRAINING PLANTS. NEW YORK: HARPER & BROTHERS, 1962.

Dyfyniad MLA

BALLARD,Ernesta Drinker. THE ART OF TRAINING PLANTS. HARPER & BROTHERS, 1962.

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