Pickle, H. B. (1990). Small Business Management Hal B. Pikcle And Royce L. Abrahamson. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Pickle, Hal B. Small Business Management Hal B. Pikcle And Royce L. Abrahamson. John Wiley & Sons, 1990.
Lua MLA (8ú heag.)Pickle, Hal B. Small Business Management Hal B. Pikcle And Royce L. Abrahamson. John Wiley & Sons, 1990.
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