Dube, D. R. (1987). Agricultural geography: Issues and applications. Gain.
Chicago Style (17th ed.) CitationDube, Dr. R.S. Agricultural Geography: Issues and Applications. Delhi: Gain, 1987.
ציטוט MLADube, Dr. R.S. Agricultural Geography: Issues and Applications. Gain, 1987.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.