(en-US) David Murphy, «[https://mobilemarketingmagazine.com/preply-
to-offer-language-lessons-in-the-metaverse/ Preply to offer language lessons in the metaverse]», sur Mobile Marketing Magazine, 2022-
07-20 (consulté le )
(en-US) Natasha Mascarenhas, «[https://techcrunch.com/2021/03/09/preply-raises-
a-35-million-series-b-as-demand-for-language-learning-grows/ Preply raises a $35 million Series B as demand for language learning grows]», sur TechCrunch, (consulté le )
(en-US) «[https://social.techcrunch.com/2016/06/07/preply-
pulls-in-1-3m-to-expand-its-tutoring-marketplace-in-europe/ Preply pulls in $1.3M to expand its tutoring marketplace in Europe]», sur TechCrunch (consulté le )
