Beaver, G. (2002). Small business entrepreneurship and enterprise development. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Beaver, Graham. Small Business Entrepreneurship and Enterprise Development. Harlow, Eng: Prentice Hall, 2002.
Lua MLA (9ú heag.)Beaver, Graham. Small Business Entrepreneurship and Enterprise Development. Prentice Hall, 2002.
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