Hisrich, R. D. (2002). Entrepreneurship Robert D.Hisrich, Michael P.Peters. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hisrich, Robert D. Entrepreneurship Robert D.Hisrich, Michael P.Peters. McGraw-Hill, 2002.
Lua MLA (8ú heag.)Hisrich, Robert D. Entrepreneurship Robert D.Hisrich, Michael P.Peters. McGraw-Hill, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.