Παραπομπή APA

Tibbetts, J. (2006). Marine and Coastal Science: U.S. Ocean Policy Report Card. National Institute of Environmental Health Sciences.

Παραπομπή Chicago Style

Tibbetts, John. Marine and Coastal Science: U.S. Ocean Policy Report Card. National Institute of Environmental Health Sciences, 2006.

Παραπομπή MLA

Tibbetts, John. Marine and Coastal Science: U.S. Ocean Policy Report Card. National Institute of Environmental Health Sciences, 2006.

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