Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

Stevenson, Howard H., me Michael J. Roberts. New Business Ventures and the Entrepreneur. 3rd .ed. Boston: Irwin, 1989.

Tohutoro MLA (9th ed.)

Stevenson, Howard H., me Michael J. Roberts. New Business Ventures and the Entrepreneur. 3rd .ed. Irwin, 1989.