Kroth, M. (2005). The manager as motivator.
Lua i Stíl Chicago (17ú heag.)Kroth, Michael. The Manager as Motivator. Delhi, 2005.
Lua MLA (9ú heag.)Kroth, Michael. The Manager as Motivator. 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.