Tyagi, O. (1996). A Textbook of environmental chemistry. Anmol.
Chicagoスタイル(17版)引用形式Tyagi, O.D. A Textbook of Environmental Chemistry. New Delhi: Anmol, 1996.
MLA(9版)引用形式Tyagi, O.D. A Textbook of Environmental Chemistry. Anmol, 1996.
警告: この引用は必ずしも正確ではありません.