KOONTZ, H. ESSENTIALS OF MANAGEMENT.
Lua i Stíl Chicago (17ú heag.)KOONTZ, HAROLD. ESSENTIALS OF MANAGEMENT.
Lua MLA (9ú heag.)KOONTZ, HAROLD. ESSENTIALS OF MANAGEMENT.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)