APA-viite (7. p.)

KOONTZ, H. (1990). ESSENTIALS OF MANAGEMENT, 5TH ED. MCGRAW HILL BOOK CO.

Chicago-viite (17. p.)

KOONTZ, HAROLD. ESSENTIALS OF MANAGEMENT, 5TH ED. NEW-YORK: MCGRAW HILL BOOK CO, 1990.

MLA-viite (9. p.)

KOONTZ, HAROLD. ESSENTIALS OF MANAGEMENT, 5TH ED. MCGRAW HILL BOOK CO, 1990.