Koontz, H., & O'Donnell, C. (1959). Readings in management. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Koontz, Harold, agus Cyril O'Donnell. Readings in Management. new York: McGraw-Hill, 1959.
Lua MLA (9ú heag.)Koontz, Harold, agus Cyril O'Donnell. Readings in Management. McGraw-Hill, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.