KAO, R. W. (1995). Enterpreunership A Wealth Creation And Value Adding Process Raymon W.y Kao. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)KAO, Raymond W.Y. Enterpreunership A Wealth Creation And Value Adding Process Raymon W.y Kao. Prentice-Hall, 1995.
Lua MLA (8ú heag.)KAO, Raymond W.Y. Enterpreunership A Wealth Creation And Value Adding Process Raymon W.y Kao. Prentice-Hall, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.