Armstrong, M. B. (2010). Performance Management (6th ed.). Tata McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Armstrong, Michael; Baron. Performance Management. 6th ed. New Delhi: Tata McGraw Hill, 2010.
Lua MLA (9ú heag.)Armstrong, Michael; Baron. Performance Management. 6th ed. Tata McGraw Hill, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.