Sawyer, C. N. (1994). Chemistry for Environmental Engineering (4th edition.). New York: McGraw-Hill.
Παραπομπή Chicago StyleSawyer, Clair N. Chemistry for Environmental Engineering. 4th edition. New York: McGraw-Hill, 1994.
Παραπομπή MLASawyer, Clair N. Chemistry for Environmental Engineering. 4th edition. New York: McGraw-Hill, 1994.
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