Cita APA (7th ed.)
Ash, T. (2008). Landing page optimization: The definitive guide to testing and tuning for conversions. Sybex/Wiley.
Cita Chicago (17th ed.)
Ash, Tim. Landing Page Optimization: The Definitive Guide to Testing and Tuning for Conversions. Indianapolis, Ind.: Sybex/Wiley, 2008.
Cita MLA (9th ed.)
Ash, Tim. Landing Page Optimization: The Definitive Guide to Testing and Tuning for Conversions. Sybex/Wiley, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.