HARTMAN AMIR. (2004). RUTHLESS EXECUTION: WHAT BUSINESS LEADERS DO..WALL. PEARSON EDUCATION.
Chicago-referens (17:e uppl.)HARTMAN AMIR. RUTHLESS EXECUTION: WHAT BUSINESS LEADERS DO..WALL. DELHI: PEARSON EDUCATION, 2004.
MLA-referens (9:e uppl.)HARTMAN AMIR. RUTHLESS EXECUTION: WHAT BUSINESS LEADERS DO..WALL. PEARSON EDUCATION, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.