Petersen, P. (1868). Beadle's dime guide to swimming: Embracing all the rules of the art for both sexes. Beadle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPetersen, Philip. Beadle's Dime Guide to Swimming: Embracing All the Rules of the Art for Both Sexes. New York: Beadle, 1868.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPetersen, Philip. Beadle's Dime Guide to Swimming: Embracing All the Rules of the Art for Both Sexes. Beadle, 1868.
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