Gabriel Richard Institute. (1966). The winning personality: Selected readings for session 4 (First Printing.). Gabriel Richard Institute.
Chicago-viite (17. p.)Gabriel Richard Institute. The Winning Personality: Selected Readings for Session 4. First Printing. Detroit, Michigan.: Gabriel Richard Institute, 1966.
MLA-viite (8. p.)Gabriel Richard Institute. The Winning Personality: Selected Readings for Session 4. First Printing. Gabriel Richard Institute, 1966.
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