Pitts, N., James, S. N., & Tittel, E. (1998). HTML style sheets design guide. Cariolis Group Books.
Lua i Stíl Chicago (17ú heag.)Pitts, Natanya, Stephen N. James, agus Ed Tittel. HTML Style Sheets Design Guide. Albany, N.Y: Cariolis Group Books, 1998.
Lua MLA (9ú heag.)Pitts, Natanya, et al. HTML Style Sheets Design Guide. Cariolis Group Books, 1998.
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