Castro. (2007). HTML, XHTML & CSS: Visual quickstart guide (6th ed.). Berkeley, CA: Peachpit Press.
Chicago Style CitationCastro. HTML, XHTML & CSS: Visual Quickstart Guide. 6th ed. Berkeley, CA: Peachpit Press, 2007.
MLA CitationCastro. HTML, XHTML & CSS: Visual Quickstart Guide. 6th ed. Berkeley, CA: Peachpit Press, 2007.
Warning: These citations may not always be 100% accurate.