Longenecker, J. G. (2003). Small business management: An entrepreneurial emphasis [ada CD]/Justin G. Longenecker. South-Western.
Lua i Stíl Chicago (17ú heag.)Longenecker, Justin G. Small Business Management: An Entrepreneurial Emphasis [ada CD]/Justin G. Longenecker. South-Western, 2003.
Lua MLA (8ú heag.)Longenecker, Justin G. Small Business Management: An Entrepreneurial Emphasis [ada CD]/Justin G. Longenecker. South-Western, 2003.
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