<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Dimitrov, Stefan / Zamal, Faiyaz / Piper, Andrew / Ruths, Derek</hi> (2015): “Goodreads vs Amazon: The Effect Of Decoupling Book Reviewing And Book Selling", in: International Conference on Web and Social Media (ICWSM-14).