Gopal Iyer K. & Roy, U. N. (2005). Watershed management and sustainable development. Kanishka Publishers.
シカゴスタイル引用形Gopal Iyer K. , Upendra Nath Roy. Watershed Management and Sustainable Development. New Delhi: Kanishka Publishers, 2005.
MLA引用形式Gopal Iyer K. , Upendra Nath Roy. Watershed Management and Sustainable Development. Kanishka Publishers, 2005.
警告: この引用は必ずしも正確ではありません.