Kennedy. Shifting Baselines in the Chesapeake Bay. Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKennedy. Shifting Baselines in the Chesapeake Bay. Johns Hopkins University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKennedy. Shifting Baselines in the Chesapeake Bay. Johns Hopkins University Press.
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