Singh, B. D. (2010). Labour Laws for Managers (5th ed.). PHI Learning Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Singh, B D. Labour Laws for Managers. 5th ed. New Delhi: PHI Learning Pvt. Ltd, 2010.
Lua MLA (9ú heag.)Singh, B D. Labour Laws for Managers. 5th ed. PHI Learning Pvt. Ltd, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.