Lua APA (7ú heag.)

Koontz Harold. (2006). Essentials of Management (6th.). Tata Mcgraw Hill.

Lua i Stíl Chicago (17ú heag.)

Koontz Harold. Essentials of Management. 6th. New Delhi: Tata Mcgraw Hill, 2006.

Lua MLA (9ú heag.)

Koontz Harold. Essentials of Management. 6th. Tata Mcgraw Hill, 2006.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.