Sexton, D. L., & Smilor, R. W. (1997). Entrepreneurship 2000. Upstart Pub. Co..
Lua i Stíl Chicago (17ú heag.)Sexton, Donald L., agus Raymond W. Smilor. Entrepreneurship 2000. Chicago, Ill.: Upstart Pub. Co., 1997.
Lua MLA (8ú heag.)Sexton, Donald L., agus Raymond W. Smilor. Entrepreneurship 2000. Upstart Pub. Co., 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.