Shoemaker. Living with Whales. University of Massachusetts Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShoemaker. Living with Whales. University of Massachusetts Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShoemaker. Living with Whales. University of Massachusetts Press.
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