Παραπομπή APA

(1968). Water and wastewater technology: A suggested 2-year Post High School Curriculum. Washington: U.S. Department of Health, Education, and Welfare : U.S. Department of the Interior.

Παραπομπή Chicago Style

Water and Wastewater Technology: A Suggested 2-year Post High School Curriculum. Washington: U.S. Department of Health, Education, and Welfare : U.S. Department of the Interior, 1968.

Παραπομπή MLA

Water and Wastewater Technology: A Suggested 2-year Post High School Curriculum. Washington: U.S. Department of Health, Education, and Welfare : U.S. Department of the Interior, 1968.

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