Cita APA (7th ed.)

Stevenson, H. H., & Roberts, M. J. (1993). New business ventures and the entrepreneur (4th.ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Stevenson, Howard H., i Michael J. Roberts. New Business Ventures and the Entrepreneur. 4th.ed. Boston: McGraw-Hill, 1993.

Cita MLA (9th ed.)

Stevenson, Howard H., i Michael J. Roberts. New Business Ventures and the Entrepreneur. 4th.ed. McGraw-Hill, 1993.