Coggeshall, J., & Tabini, M. (2005). The Zend PHP certification practice test book: Practice questions for the zend certified engineer exam. Marco Tabini & Assoc..
芝加哥风格引文Coggeshall, John, 与 Marco Tabini. The Zend PHP Certification Practice Test Book: Practice Questions for the Zend Certified Engineer Exam. Toronto, Ont.: Marco Tabini & Assoc., 2005.
MLA引文Coggeshall, John, 与 Marco Tabini. The Zend PHP Certification Practice Test Book: Practice Questions for the Zend Certified Engineer Exam. Marco Tabini & Assoc., 2005.
警告：这些引文格式不一定是100％准确.