Παραπομπή APA

Lowenthal, D., & Riel, M. (1972). Environmental assessment: A case study of New York city. New York: American Geographical Society.

Παραπομπή Chicago Style

Lowenthal, David, and Marquita Riel. Environmental Assessment: A Case Study of New York City. New York: American Geographical Society, 1972.

Παραπομπή MLA

Lowenthal, David, and Marquita Riel. Environmental Assessment: A Case Study of New York City. New York: American Geographical Society, 1972.

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