Joy-Mathews, J. (2004). Human resource development.
Lua i Stíl Chicago (17ú heag.)Joy-Mathews, Jennifer. Human Resource Development. London, 2004.
Lua MLA (9ú heag.)Joy-Mathews, Jennifer. Human Resource Development. 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.