Rajagopalan R. (2016). Environmental Studies (3rd.). Oxford University Press.
Chicagoスタイル(17版)引用形式Rajagopalan R. Environmental Studies. 3rd. New Delhi: Oxford University Press, 2016.
MLA(9版)引用形式Rajagopalan R. Environmental Studies. 3rd. Oxford University Press, 2016.
警告: この引用は必ずしも正確ではありません.