Παραπομπή APA

Schwartz, D. A., & Martin, W. J. (2006). Focusing on Global Environmental Health. National Institute of Environmental Health Sciences.

Παραπομπή Chicago Style

Schwartz, David A., και William J. Martin. Focusing On Global Environmental Health. National Institute of Environmental Health Sciences, 2006.

Παραπομπή MLA

Schwartz, David A., και William J. Martin. Focusing On Global Environmental Health. National Institute of Environmental Health Sciences, 2006.

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