クーシャンクー
↑ Green, Thomas (2001). Martial Arts of the World: An Encyclopedia. Santa Barbara, California: ABC-CLIO. pp. 366. https://archive.org/details/martialartsworld00gree
↑ Redmond, Rob, Kata: The Folk Dances of Shotokan, 2006
↑ Gursharan Sahota, The Shotokan Karate Handbook - Beginner to Black Belt, ISBN 0-9524638-0-6