KOONTZ HAROLD. (2007). ESSENTIALS OF MANAGEMENT: AN INTERNATIONAL PERSPECTIVE 7TH ED (7TH ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-viite (17. p.)KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT: AN INTERNATIONAL PERSPECTIVE 7TH ED. 7TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.
MLA-viite (9. p.)KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT: AN INTERNATIONAL PERSPECTIVE 7TH ED. 7TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.