Lua APA (7ú heag.)

Sklar, J., & Farkas, D. (2009). Principles of Web design (4th ed.). Course Technology, Cengage Learning.

Lua i Stíl Chicago (17ú heag.)

Sklar, Joel, agus David Farkas. Principles of Web Design. 4th ed. Australia: Course Technology, Cengage Learning, 2009.

Lua MLA (9ú heag.)

Sklar, Joel, agus David Farkas. Principles of Web Design. 4th ed. Course Technology, Cengage Learning, 2009.

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