Lawler, J. (1999). The secrets of Taekwondo: Principles and techniques for beginners. U.S.A: Masters Press.
Trích dẫn kiểu ChicagoLawler, Jennifer. The Secrets of Taekwondo: Principles and Techniques for Beginners. U.S.A: Masters Press, 1999.
Deismireacht MLALawler, Jennifer. The Secrets of Taekwondo: Principles and Techniques for Beginners. U.S.A: Masters Press, 1999.
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