APA (7e ed.) Bronvermelding

Koizumi, G. (1960). My study of judo: The principle and the technical fundamentals. W. Foulsham.

Chicago (17e ed.) Bronvermelding

Koizumi, Gunji. My Study of Judo: The Principle and the Technical Fundamentals. London: W. Foulsham, 1960.

MLA (9e ed.) Bronvermelding

Koizumi, Gunji. My Study of Judo: The Principle and the Technical Fundamentals. W. Foulsham, 1960.