APA (7th ed.) Zitazioa
Stevenson, H. H., & Roberts, M. J. (1993). New business ventures and the entrepreneur (4th.ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Stevenson, Howard H., eta Michael J. Roberts. New Business Ventures and the Entrepreneur. 4th.ed. Boston: McGraw-Hill, 1993.
MLA (9th ed.) Zitazioa
Stevenson, Howard H., eta Michael J. Roberts. New Business Ventures and the Entrepreneur. 4th.ed. McGraw-Hill, 1993.
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