Parulski, G. R. (1985). Karate power: Learning the art of the empty hand. Contemporary Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParulski, George R. Karate Power: Learning the Art of the Empty Hand. Chicago: Contemporary Books, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रParulski, George R. Karate Power: Learning the Art of the Empty Hand. Contemporary Books, 1985.
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