Torrington, D., & Hall, L. (1998). Human resource management (4th ed.). Prentice Hall Europe.
Lua i Stíl Chicago (17ú heag.)Torrington, Derek, agus Laura Hall. Human Resource Management. 4th ed. London: Prentice Hall Europe, 1998.
Lua MLA (9ú heag.)Torrington, Derek, agus Laura Hall. Human Resource Management. 4th ed. Prentice Hall Europe, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.