Freeman, E., & Freeman, E. (2006). Head first HTML with CSS & XHTML. O'Reilly ; Shroff Publishers and Distributors.
芝加哥风格引文Freeman, Elisabeth, 与 Eric Freeman. Head First HTML with CSS & XHTML. Beijing ; Sebastopol, CA : New Delhi: O'Reilly ; Shroff Publishers and Distributors, 2006.
MLA引文Freeman, Elisabeth, 与 Eric Freeman. Head First HTML with CSS & XHTML. O'Reilly ; Shroff Publishers and Distributors, 2006.
警告：这些引文格式不一定是100％准确.