ELLSWORTH, J. H. (1994). The Internet Business Book / Jill Ellsworth And Matthew Ellsworth (ada CD). John Wiley & Sons inc.
Lua i Stíl Chicago (17ú heag.)ELLSWORTH, Jill H. The Internet Business Book / Jill Ellsworth And Matthew Ellsworth (ada CD). John Wiley & Sons inc, 1994.
Lua MLA (8ú heag.)ELLSWORTH, Jill H. The Internet Business Book / Jill Ellsworth And Matthew Ellsworth (ada CD). John Wiley & Sons inc, 1994.
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