Parulski, G. R. (1985). Karate power: Learning the art of the empty hand. Contemporary Books.
Lua i Stíl Chicago (17ú heag.)Parulski, George R. Karate Power: Learning the Art of the Empty Hand. Chicago: Contemporary Books, 1985.
Lua MLA (9ú heag.)Parulski, George R. Karate Power: Learning the Art of the Empty Hand. Contemporary Books, 1985.
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