Koizumi, G. (1960). My study of judo: The principle and the technical fundamentals. W. Foulsham.
Čikaški stil citiranja (17. izdanje)Koizumi, Gunji. My Study of Judo: The Principle and the Technical Fundamentals. London: W. Foulsham, 1960.
MLA način citiranja (9. izdanje)Koizumi, Gunji. My Study of Judo: The Principle and the Technical Fundamentals. W. Foulsham, 1960.
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