TONKIN, Emma. Folksonomies: the fall and rise of plain-text tagging. In: Ariadne [online]. April 2006, (47) [cit. 2013-08-22]. ISSN 1361-3200. Dostupné z: http://www.ariadne.ac.uk/issue47/tonkin
Dostupné volně z: http://www.ariadne.ac.uk/issue47/tonkin