McGregor Douglas. (2006). Human Side of Enterprise. Tata Mcgraw Hill.
Lua i Stíl Chicago (17ú heag.)McGregor Douglas. Human Side of Enterprise. New Delhi: Tata Mcgraw Hill, 2006.
Lua MLA (9ú heag.)McGregor Douglas. Human Side of Enterprise. Tata Mcgraw Hill, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.