APA-viite (7. p.)

LEFTON ROBERT E. (2004). LEADERSHIP THROUGH PEOPLE SKILLS. MCGRAW-HILL.

Chicago-viite (17. p.)

LEFTON ROBERT E. LEADERSHIP THROUGH PEOPLE SKILLS. NEW YORK: MCGRAW-HILL, 2004.

MLA-viite (9. p.)

LEFTON ROBERT E. LEADERSHIP THROUGH PEOPLE SKILLS. MCGRAW-HILL, 2004.