Armstrong, M. (2002). Encyclopedia of strategic management: Human resource management vol. 3. Crest Publishing House.
Lua i Stíl Chicago (17ú heag.)Armstrong, Michel. Encyclopedia of Strategic Management: Human Resource Management Vol. 3. New Delhi: Crest Publishing House, 2002.
Lua MLA (8ú heag.)Armstrong, Michel. Encyclopedia of Strategic Management: Human Resource Management Vol. 3. Crest Publishing House, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.