APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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