Holzner Steven. The Complete Reference PHP. McGraw Hill.
芝加哥风格引文Holzner Steven. The Complete Reference PHP. New Delhi: McGraw Hill.
MLA引文Holzner Steven. The Complete Reference PHP. McGraw Hill.
警告：这些引文格式不一定是100％准确.
APA引文
Holzner Steven. The Complete Reference PHP. McGraw Hill.
芝加哥风格引文Holzner Steven. The Complete Reference PHP. New Delhi: McGraw Hill.
MLA引文Holzner Steven. The Complete Reference PHP. McGraw Hill.