TORRINGTON DEREK. (2005). HUMAN RESOURCE MANAGEMENT (6th.). Pearson Education Limited.
Lua i Stíl Chicago (17ú heag.)TORRINGTON DEREK. HUMAN RESOURCE MANAGEMENT. 6th. London: Pearson Education Limited, 2005.
Lua MLA (9ú heag.)TORRINGTON DEREK. HUMAN RESOURCE MANAGEMENT. 6th. Pearson Education Limited, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.