Gabriel Richard Institute. (1966). The winning personality: Selected readings for session 4 (First Printing.). Gabriel Richard Institute.
Chicago-referens (17:e uppl.)Gabriel Richard Institute. The Winning Personality: Selected Readings for Session 4. First Printing. Detroit, Michigan.: Gabriel Richard Institute, 1966.
MLA-referens (8:e uppl.)Gabriel Richard Institute. The Winning Personality: Selected Readings for Session 4. First Printing. Gabriel Richard Institute, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.