Cho, S. H. (1968). Korean karate: Free fighting techniques. C.E. Tuttle National Book Store.
芝加哥风格引文Cho, Sihak Henry. Korean Karate: Free Fighting Techniques. Rutland, Vt., [Manila]: C.E. Tuttle National Book Store, 1968.
MLA引文Cho, Sihak Henry. Korean Karate: Free Fighting Techniques. C.E. Tuttle National Book Store, 1968.
警告：这些引文格式不一定是100％准确.