1. European Commission/EACEA/Eurydice (2013). Key Data on Teachers and School Leaders in Europe. Eurydice Report. Luxembourg: Publications Office of the European Union.
2. European Commission (2007). Improving the quality of teacher education. Retrieved 24/06/2013 from http://ec.europa.eu/education/com392_en.pdf.
3. European Commission (2005). Common European Principles for Teacher Competences and Qualifications. . Retrieved 24/06/2013 from http://ec.europa.eu/education/policies/2010/doc/principles_en.pdf.
4. Iucu, R. (2007). Formarea cadrelor didactice. Sisteme, politici, strategii. Bucureşti: Editura Humanitas Educaţional.
5. Prensky, M. (2001). Digital Natives, Digital Immigrants. Lincoln: NCB University Press. In On the Horizon, October 2001, 9 (5).