APA (7th ed.) Citation
Sklar, J. (2009). Principles of Web Design (4. vyd.). Course Technology.
Chicago Style (17th ed.) Citation
Sklar, Joel. Principles of Web Design. 4. vyd. Boston: Course Technology, 2009.
MLA (9th ed.) Citation
Sklar, Joel. Principles of Web Design. 4. vyd. Course Technology, 2009.
Warning: These citations may not always be 100% accurate.