Lua APA (7ú heag.)
Wilfred, A. D., Gupta, M., & Bhatnagar, K. (2002). PHP professional projects. Premier Press.
Lua i Stíl Chicago (17ú heag.)
Wilfred, Ashish Daniel, Meeta Gupta, agus Kartik Bhatnagar. PHP Professional Projects. Indianapolis, IN: Premier Press, 2002.
Lua MLA (9ú heag.)
Wilfred, Ashish Daniel, et al. PHP Professional Projects. Premier Press, 2002.
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