Wertime, K. (2008). DigiMarketing The Essential Guide to New Media & Digital Marketing. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Wertime, Kent. DigiMarketing The Essential Guide to New Media & Digital Marketing. John Wiley & Sons, 2008.
Lua MLA (8ú heag.)Wertime, Kent. DigiMarketing The Essential Guide to New Media & Digital Marketing. John Wiley & Sons, 2008.
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