American Psychological Association 6th edition

Robson, E., & Freeman, E. [ca. 2006]. Head first HTML with CSS & XHTML : Includes index. In Safari Books Online [Cd]. Sebastopol, Calif.: O’Reilly.

ISO-690 (author-date, English)

ROBSON, Elisabeth und FREEMAN, Eric, 2006. Head first HTML with CSS & XHTML : Includes index. Sebastopol, Calif.: O’Reilly. ISBN 059610197 X.

Modern Language Association 9th edition

Robson, E., und E. Freeman. „Head first HTML with CSS & XHTML : Includes index“. Safari Books Online, cd, O’Reilly, 2006.

Mohr Siebeck - Recht (Deutsch - Österreich)

Robson, Elisabeth/Freeman, Eric: Head first HTML with CSS & XHTML : Includes index, Sebastopol, Calif. 2006.

Emerald - Harvard

Robson, E. und Freeman, E. (2006), Head first HTML with CSS & XHTML : Includes index, Safari Books Online, Bd. , O’Reilly, Sebastopol, Calif.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.