Singh, Y. K. (2006). Environmental Science. New Age.
Chicagoスタイル(17版)引用形式Singh, Y. K. Environmental Science. New Delhi: New Age, 2006.
MLA(9版)引用形式Singh, Y. K. Environmental Science. New Age, 2006.
警告: この引用は必ずしも正確ではありません.
Singh, Y. K. (2006). Environmental Science. New Age.
Chicagoスタイル(17版)引用形式Singh, Y. K. Environmental Science. New Delhi: New Age, 2006.
MLA(9版)引用形式Singh, Y. K. Environmental Science. New Age, 2006.