Lambing, P. A., & Kuehl, C. R. (2000). Entrepreneurship (2nd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Lambing, Peggy A., agus Charles R. Kuehl. Entrepreneurship. 2nd ed. Upper Saddle River, NJ: Prentice Hall, 2000.
Lua MLA (8ú heag.)Lambing, Peggy A., agus Charles R. Kuehl. Entrepreneurship. 2nd ed. Prentice Hall, 2000.
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