Παραπομπή APA

Schoenfeld, C. (1972). Interpreting environmental issues: Research and development in conservation communications. Madison, WI: Dembar Educational Research Services.

Παραπομπή Chicago Style

Schoenfeld, Clay. Interpreting Environmental Issues: Research and Development in Conservation Communications. Madison, WI: Dembar Educational Research Services, 1972.

Παραπομπή MLA

Schoenfeld, Clay. Interpreting Environmental Issues: Research and Development in Conservation Communications. Madison, WI: Dembar Educational Research Services, 1972.

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