Dyfyniad APA

SAWYER, C. N. (1994). Chemistry For Environmental Engineering. McGraw-Hill.

Dyfyniad Arddull Chicago

SAWYER, Clair N. Chemistry For Environmental Engineering. McGraw-Hill, 1994.

Dyfyniad MLA

SAWYER, Clair N. Chemistry For Environmental Engineering. McGraw-Hill, 1994.

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