Scarborough, N. M., & Zimmerer, T. W. (1996). Effective small business management (5th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Scarborough, Norman M., agus Thomas W. Zimmerer. Effective Small Business Management. 5th ed. Upper Saddle River, N.J: Prentice-Hall, 1996.
Lua MLA (9ú heag.)Scarborough, Norman M., agus Thomas W. Zimmerer. Effective Small Business Management. 5th ed. Prentice-Hall, 1996.
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