Holt, D. H. (1992). Entrepreneurship: New Venture creation. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Holt, David H. Entrepreneurship: New Venture Creation. New Jersey: Prentice Hall, 1992.
Lua MLA (9ú heag.)Holt, David H. Entrepreneurship: New Venture Creation. Prentice Hall, 1992.
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