Sklar, J., & Farkas, D. (2009). Principles of Web design (4th ed.). Course Technology, Cengage Learning.
芝加哥风格引文Sklar, Joel, 与 David Farkas. Principles of Web Design. 4th ed. Australia: Course Technology, Cengage Learning, 2009.
MLA引文Sklar, Joel, 与 David Farkas. Principles of Web Design. 4th ed. Course Technology, Cengage Learning, 2009.
警告：这些引文格式不一定是100％准确.