John, S. K. (2006). Nutritional disorders in tropical tuber crops. CTCRI.
Chicago Edition CitationJohn, Susan K. Nutritional Disorders in Tropical Tuber Crops. Thiruvanathapuram: CTCRI, 2006.
ציטוט MLAJohn, Susan K. Nutritional Disorders in Tropical Tuber Crops. CTCRI, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.