Gopal Iyer K. & Roy, U. N. (2005). Watershed management and sustainable development. Kanishka Publishers.
Chicago Edition CitationGopal Iyer K. and Upendra Nath Roy. Watershed Management and Sustainable Development. New Delhi: Kanishka Publishers, 2005.
ציטוט MLAGopal Iyer K. and Upendra Nath Roy. Watershed Management and Sustainable Development. Kanishka Publishers, 2005.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.