Sexton, D. L., & Smilor, R. W. (1997). Entrepreneurship 2000. Upstart Pub. Co..
Cita Chicago (17th ed.)Sexton, Donald L., i Raymond W. Smilor. Entrepreneurship 2000. Chicago, Ill.: Upstart Pub. Co., 1997.
Cita MLA (8th ed.)Sexton, Donald L., i Raymond W. Smilor. Entrepreneurship 2000. Upstart Pub. Co., 1997.
Atenció: Aquestes cites poden no estar 100% correctes.