Koizumi, G. (1960). My study of judo: The principle and the technical fundamentals. W. Foulsham.
Lua i Stíl Chicago (17ú heag.)Koizumi, Gunji. My Study of Judo: The Principle and the Technical Fundamentals. London: W. Foulsham, 1960.
Lua MLA (9ú heag.)Koizumi, Gunji. My Study of Judo: The Principle and the Technical Fundamentals. W. Foulsham, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.