Joseph, B. (2005). Environmental studies. Tata McGraw Hill.
Chicagoスタイル(17版)引用形式Joseph, Benny. Environmental Studies. New Delhi: Tata McGraw Hill, 2005.
MLA(9版)引用形式Joseph, Benny. Environmental Studies. Tata McGraw Hill, 2005.
警告: この引用は必ずしも正確ではありません.