B 57.803/3
The Sage encyclopedia of the Internet. 3, R-Y / edited by Barney Warf. -- Los Angeles : Sage Reference, [2018]. -- ©2018. -- ISBN : 978-1-4739-2661-5 (vázáno).
Warf, Barney, 1956-
internet * encyklopedie
004.738.5. (031)