HARGITTAI, Eszter a SANDVIG, Christian. Digital research confidential: the secrets of studying behavior online. Cambridge, MA: The MIT Press, 2016. ISBN 9780262331227. Dostupné také z: https://proxy.k.utb.cz/login?url=https://doi.org/10.7551/mitpress/9386.001.0001?locatt=mode:legacy.