LEFTON ROBERT E. (2004). LEADERSHIP THROUGH PEOPLE SKILLS. MCGRAW-HILL.
Style de citation Chicago (17e éd.)LEFTON ROBERT E. LEADERSHIP THROUGH PEOPLE SKILLS. NEW YORK: MCGRAW-HILL, 2004.
Style de citation MLA (9e éd.)LEFTON ROBERT E. LEADERSHIP THROUGH PEOPLE SKILLS. MCGRAW-HILL, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.