Dyfyniad APA

Singh, A., & Sharma, U. (1984). Current practices in environmental enginering. International Book Traders.

Dyfyniad Arddull Chicago

Singh, Alam, and U.S Sharma. Current Practices in Environmental Enginering. Delhi: International Book Traders, 1984.

Dyfyniad MLA

Singh, Alam, and U.S Sharma. Current Practices in Environmental Enginering. International Book Traders, 1984.

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