Tusting, Karin (2017) Ecologies of Digital Literacies: Implications for Education. In: Language, Education and Technology. Springer International Publishing, Cham, pp. 3-15. ISBN 978-3-319-02236-9 978-3-319-02237-6

Lasswell, Harold D. (1948) The structure and function of communication in society. In: The communication of ideas: A series of adresses. Religion and Civilization Series, 1 . Institue for Religious and Social Studies, New York, pp. 216-228.