BARROW, C. (1993). The Essence Of Small Business / Colin Barrow, Series Editor: Adrian Buckley. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)BARROW, Collin. The Essence Of Small Business / Colin Barrow, Series Editor: Adrian Buckley. Prentice-Hall, 1993.
Lua MLA (8ú heag.)BARROW, Collin. The Essence Of Small Business / Colin Barrow, Series Editor: Adrian Buckley. Prentice-Hall, 1993.
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