张健. (2011). Web应用系统开发（PHP）: Development of web application system(PHP). 中国铁道出版社.
Chicago (17e ed.) Bronvermelding张健. Web应用系统开发（PHP）: Development of Web Application System(PHP). 中国铁道出版社, 2011.
MLA (8e ed.) Bronvermelding张健. Web应用系统开发（PHP）: Development of Web Application System(PHP). 中国铁道出版社, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.