Schwartz, E. I. (1997). Webonomics: Nine essential principles for growing your business... Broadway.
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Chicago-čujuhus (17. p.)
Schwartz, Evan I. Webonomics: Nine Essential Principles for Growing Your Business... New York: Broadway, 1997.
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MLA-čujuhus (9. p.)
Schwartz, Evan I. Webonomics: Nine Essential Principles for Growing Your Business... Broadway, 1997.
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