APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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