Powers, D. (2008). PHP Object-Oriented Solutions (1st ed. 2008.). Apress : Imprint: Apress.
Cita Chicago Style (17a ed.)Powers, David. PHP Object-Oriented Solutions. 1st ed. 2008. Berkeley, CA: Apress : Imprint: Apress, 2008.
Cita MLA (8a ed.)Powers, David. PHP Object-Oriented Solutions. 1st ed. 2008. Apress : Imprint: Apress, 2008.
Precaución: Estas citas no son 100% exactas.