Gilley, J. W., & Eggland, S. A. (1989). Principles of human resource development. Addison-Wesley in association with University Associates.
Lua i Stíl Chicago (17ú heag.)Gilley, Jerry W., agus Steven A. Eggland. Principles of Human Resource Development. Reading, Mass.: Addison-Wesley in association with University Associates, 1989.
Lua MLA (9ú heag.)Gilley, Jerry W., agus Steven A. Eggland. Principles of Human Resource Development. Addison-Wesley in association with University Associates, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.