Lambing, P. A. (2003). Entrepreneurship [ada CD]. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Lambing, Peggy A. Entrepreneurship [ada CD]. Prentice Hall, 2003.
Lua MLA (8ú heag.)Lambing, Peggy A. Entrepreneurship [ada CD]. Prentice Hall, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.