APA (7e ed.) Bronvermelding

Gabriel Richard Institute. (1966). The winning personality: Selected readings for session 4 (First Printing.). Gabriel Richard Institute.

Chicago (17e ed.) Bronvermelding

Gabriel Richard Institute. The Winning Personality: Selected Readings for Session 4. First Printing. Detroit, Michigan.: Gabriel Richard Institute, 1966.

MLA (8e ed.) Bronvermelding

Gabriel Richard Institute. The Winning Personality: Selected Readings for Session 4. First Printing. Gabriel Richard Institute, 1966.