Cita APA (7th ed.)
Geis, G. T. (2015). Semi-organic growth + website: Tactics and strategies behind Google's success. Wiley.
Cita Chicago (17th ed.)
Geis, George T. Semi-organic Growth + Website: Tactics and Strategies Behind Google's Success. Hoboken, New Jersey: Wiley, 2015.
Cita MLA (9th ed.)
Geis, George T. Semi-organic Growth + Website: Tactics and Strategies Behind Google's Success. Wiley, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.