Coulter, M. K. (2001). Entrepreneurship in action. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Coulter, Mary K. Entrepreneurship in Action. Upper Saddle River, N.J.: Prentice Hall, 2001.
Lua MLA (8ú heag.)Coulter, Mary K. Entrepreneurship in Action. Prentice Hall, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.