APA-čujuhus (7. p.)
Geis, G. T. (2015). Semi-organic growth + website: Tactics and strategies behind Google's success. Wiley.
Chicago-čujuhus (17. p.)
Geis, George T. Semi-organic Growth + Website: Tactics and Strategies Behind Google's Success. Hoboken, New Jersey: Wiley, 2015.
MLA-čujuhus (9. p.)
Geis, George T. Semi-organic Growth + Website: Tactics and Strategies Behind Google's Success. Wiley, 2015.
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