Singh, Y. (2018). Environmental Science. New Age International Publishers.
Chicagoスタイル(17版)引用形式Singh, Y.K. Environmental Science. NEW DELHI: New Age International Publishers, 2018.
MLA(9版)引用形式Singh, Y.K. Environmental Science. New Age International Publishers, 2018.
警告: この引用は必ずしも正確ではありません.