John Allan. (1999). How to be better at motivating people. Kogan Page.
Lua i Stíl Chicago (17ú heag.)John Allan. How to Be Better at Motivating People. New Delhi: Kogan Page, 1999.
Lua MLA (8ú heag.)John Allan. How to Be Better at Motivating People. Kogan Page, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.