Cita APA (7th ed.)

Stevenson, H. H., Grousbeck, H. I., & Roberts, M. J. (1989). New business ventures and the entrepreneur (3rd ed.). Irwin.

Cita Chicago (17th ed.)

Stevenson, Howard H., H. Irving Grousbeck, i Michael J. Roberts. New Business Ventures and the Entrepreneur. 3rd ed. Homewood, Ill: Irwin, 1989.

Cita MLA (9th ed.)

Stevenson, Howard H., et al. New Business Ventures and the Entrepreneur. 3rd ed. Irwin, 1989.