Não informado. (1964). Swimming technique. American Swimming Coaches Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Swimming Technique. Los Angeles, Calif: American Swimming Coaches Association, 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Swimming Technique. American Swimming Coaches Association, 1964.
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