Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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