APA aipamena

Phillips, S. W. (2002). The US Geological Survey and the Chesapeake Bay. US Geological Survey circular 1220.

Chicago Style aipamena

Phillips, Scott W. "The US Geological Survey and the Chesapeake Bay." US Geological Survey Circular 1220 2002.

MLA aipamena

Phillips, Scott W. "The US Geological Survey and the Chesapeake Bay." US Geological Survey Circular 1220 2002.

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