Ellworth, J. H. (1994). The internet business book. New York: John Wiley & Sons Inc.
Trích dẫn kiểu ChicagoEllworth, Jill H. The Internet Business Book. New York: John Wiley & Sons Inc, 1994.
Deismireacht MLAEllworth, Jill H. The Internet Business Book. New York: John Wiley & Sons Inc, 1994.
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