Gale, M. (2009). Encyclopedia of Management, Vol. 6.
Lua i Stíl Chicago (17ú heag.)Gale, Mike. Encyclopedia of Management, Vol. 6. New Delhi, 2009.
Lua MLA (9ú heag.)Gale, Mike. Encyclopedia of Management, Vol. 6. 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.