Khanna, D. R., & Matta, G. (2011). Ecology of river Ganga. Biotech Books.
シカゴスタイル引用形Khanna, Dev Raj, , Gagan Matta. Ecology of River Ganga. New Delhi: Biotech Books, 2011.
MLA引用形式Khanna, Dev Raj, , Gagan Matta. Ecology of River Ganga. Biotech Books, 2011.
警告: この引用は必ずしも正確ではありません.