Παραπομπή APA

Chiras, D. D. (1998). Environmental science: : a systems approach to sustainable development (5th ed.). Belmont, CA.: Wadsworth Publishing Company.

Παραπομπή Chicago Style

Chiras, Daniel D. Environmental Science: : A Systems Approach to Sustainable Development. 5th ed. Belmont, CA.: Wadsworth Publishing Company, 1998.

Παραπομπή MLA

Chiras, Daniel D. Environmental Science: : A Systems Approach to Sustainable Development. 5th ed. Belmont, CA.: Wadsworth Publishing Company, 1998.

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