Klopp , H. (1998). The complete idiot`s guide to business mamagement. Alpha.
Lua i Stíl Chicago (17ú heag.)Klopp , Hap. The Complete Idiot`s Guide to Business Mamagement. Newyork: Alpha, 1998.
Lua MLA (9ú heag.)Klopp , Hap. The Complete Idiot`s Guide to Business Mamagement. Alpha, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.