APA aipamena

KOONTZ HAROLD. (1990). ESSENTIALS OF MANAGEMENT (5.). MCGRAW-HILL.

Chicago Style aipamena

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 5. NEW YORK: MCGRAW-HILL, 1990.

MLA aipamena

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 5. MCGRAW-HILL, 1990.