Newby, T. (1992). Training evaluation handbook. Gower.
Lua i Stíl Chicago (17ú heag.)Newby, Tony. Training Evaluation Handbook. London: Gower, 1992.
Lua MLA (8ú heag.)Newby, Tony. Training Evaluation Handbook. Gower, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.