Cita APA

Mason, W. H. (1973). Environmental problems: Principles, readings, and comments. United States: WM Brown.

Citación estilo Chicago

Mason, William H. Environmental Problems: Principles, Readings, and Comments. United States: WM Brown, 1973.

Cita MLA

Mason, William H. Environmental Problems: Principles, Readings, and Comments. United States: WM Brown, 1973.

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