Cita APA (7th ed.)

Sklar, D., & Trachtenberg, A. (2006). PHP cookbook (2nd ed.). O'Reilly.

Cita Chicago (17th ed.)

Sklar, David, i Adam Trachtenberg. PHP Cookbook. 2nd ed. Sebastopol, Calif: O'Reilly, 2006.

Cita MLA (9th ed.)

Sklar, David, i Adam Trachtenberg. PHP Cookbook. 2nd ed. O'Reilly, 2006.