Williams, B., Richard, O., Tadlock, J., & Valk, J. d. (2011). Professional WordPress plugin development. Wiley.
芝加哥风格引文Williams, Brad, Ozh Richard, Justin Tadlock, 与 Joost de Valk. Professional WordPress Plugin Development. Indianapolis, Ind.: Wiley, 2011.
MLA引文Williams, Brad, et al. Professional WordPress Plugin Development. Wiley, 2011.
警告：这些引文格式不一定是100％准确.