Cita APA (7th ed.)

KOONTZ HAROLD. (1982). ESSENTIALS OF MANAGEMENT (3RD.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Cita Chicago (17th ed.)

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 3RD. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1982.

Cita MLA (9th ed.)

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 3RD. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1982.