Lawler, J. (1999). The secrets of Taekwondo: Principles and techniques for beginners. U.S.A: Masters Press.
Dyfyniad Arddull ChicagoLawler, Jennifer. The Secrets of Taekwondo: Principles and Techniques for Beginners. U.S.A: Masters Press, 1999.
Dyfyniad MLALawler, Jennifer. The Secrets of Taekwondo: Principles and Techniques for Beginners. U.S.A: Masters Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.