APA način citiranja (7. izdanje)
Valles, C. (2013). Zend Framework 2 application development. Packt Publishing.
Čikaški stil citiranja (17. izdanje)
Valles, Christopher. Zend Framework 2 Application Development. Birmingham: Packt Publishing, 2013.
MLA način citiranja (9. izdanje)
Valles, Christopher. Zend Framework 2 Application Development. Packt Publishing, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.