Douglas, M. (1995). How to win with high self - esteem. UBS.
Lua i Stíl Chicago (17ú heag.)Douglas, Mack. How to Win with High Self - Esteem. New delhi: UBS, 1995.
Lua MLA (9ú heag.)Douglas, Mack. How to Win with High Self - Esteem. UBS, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.