Heckner, M. (2009). Tagging, rating, posting: Studying forms of user contribution for web-based information management and information retrieval. Hülsbusch.
Chicago-Zitierstil (17. Ausg.)Heckner, Markus. Tagging, Rating, Posting: Studying Forms of User Contribution for Web-based Information Management and Information Retrieval. Boizenburg: Hülsbusch, 2009.
MLA-Zitierstil (9. Ausg.)Heckner, Markus. Tagging, Rating, Posting: Studying Forms of User Contribution for Web-based Information Management and Information Retrieval. Hülsbusch, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.