Dyfyniad APA

Basu, S., & De, A. (2005). Questions and answers in environmental science. Universities press.

Dyfyniad Arddull Chicago

Basu, S.K, and A.K De. Questions and Answers in Environmental Science. Hyderabad: Universities press, 2005.

Dyfyniad MLA

Basu, S.K, and A.K De. Questions and Answers in Environmental Science. Universities press, 2005.

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