Kromann, F. M. Beginning PHP and MySQL: From Novice to Professional. Apress.
芝加哥风格引文Kromann, Frank M. Beginning PHP and MySQL: From Novice to Professional. Apress.
MLA引文Kromann, Frank M. Beginning PHP and MySQL: From Novice to Professional. Apress.
警告：这些引文格式不一定是100％准确.