Shafik,Davey, & Ramsey,Ben. (2007). PHP/architect's Zend PHP 5 certification study guide (2nd ed.). Marco Tabini.
芝加哥风格引文Shafik,Davey, 与 Ramsey,Ben. PHP/architect's Zend PHP 5 Certification Study Guide. 2nd ed. Toronto: Marco Tabini, 2007.
MLA引文Shafik,Davey, 与 Ramsey,Ben. PHP/architect's Zend PHP 5 Certification Study Guide. 2nd ed. Marco Tabini, 2007.
警告：这些引文格式不一定是100％准确.