Clegg, B. (2000). Instant motivation.
Lua i Stíl Chicago (17ú heag.)Clegg, Brian. Instant Motivation. New Delhi, 2000.
Lua MLA (9ú heag.)Clegg, Brian. Instant Motivation. 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.