Silberman, M. (1999). The 1999 training and performance sourcebook. New York : McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Silberman, Mel. The 1999 Training and Performance Sourcebook. New York : McGraw-Hill, 1999.
Lua MLA (9ú heag.)Silberman, Mel. The 1999 Training and Performance Sourcebook. New York : McGraw-Hill, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.