Παραπομπή APA

(1992). Waste treatment and recycling: Course materials. School of biological and environmental sciences.

Παραπομπή Chicago Style

Waste Treatment and Recycling: Course Materials. School of biological and environmental sciences, 1992.

Παραπομπή MLA

Waste Treatment and Recycling: Course Materials. School of biological and environmental sciences, 1992.

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