Cita APA (7a ed.)

Converse, T., & Park, J. (2000). PHP 4 Bible. IDG Books Worldwide, Inc.

Cita Chicago Style (17a ed.)

Converse, Tim, y Joyce Park. PHP 4 Bible. Foster City, CA: IDG Books Worldwide, Inc, 2000.

Cita MLA (9a ed.)

Converse, Tim, y Joyce Park. PHP 4 Bible. IDG Books Worldwide, Inc, 2000.