BALLARD,Ernesta Drinker. (1962). THE ART OF TRAINING PLANTS. HARPER & BROTHERS.
Chicago Edition CitationBALLARD,Ernesta Drinker. THE ART OF TRAINING PLANTS. NEW YORK: HARPER & BROTHERS, 1962.
MLA Edition CitationBALLARD,Ernesta Drinker. THE ART OF TRAINING PLANTS. HARPER & BROTHERS, 1962.
Warning: These citations may not always be 100% accurate.