Citazione Stile APA (7a Edizione)

Sklar, J. (2012). Principles of Web design (5th ed.). Course Technology, Cengage Learning ; Cengage Learnig.

Citazione stile Chigago Style (17a edizione)

Sklar, Joel. Principles of Web Design. 5th ed. Australia ; New Delhi ; United States: Course Technology, Cengage Learning ; Cengage Learnig, 2012.

Citatione MLA (8a ed.)

Sklar, Joel. Principles of Web Design. 5th ed. Course Technology, Cengage Learning ; Cengage Learnig, 2012.