Dyfyniad APA

Trivedi, P. R. (2004). Ecology and environment. A. P. H. Publishing.

Dyfyniad Arddull Chicago

Trivedi, P. R. Ecology and Environment. New Delhi: A. P. H. Publishing, 2004.

Dyfyniad MLA

Trivedi, P. R. Ecology and Environment. A. P. H. Publishing, 2004.

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