ZUKER, E. (1991). The Seven Secrets Of Influnce. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)ZUKER, Elaina. The Seven Secrets Of Influnce. McGraw-Hill, 1991.
Lua MLA (8ú heag.)ZUKER, Elaina. The Seven Secrets Of Influnce. McGraw-Hill, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.