1. Abele, A. E., Neunzert, H., & Tobies, R. (2004). Traumjob Mathematik! Berufswege von Frauen und Männern in der Mathematik. Basel: Birkhäuser.
2. Abell Foundation (2001a). Teacher certification reconsidered. Stumbling for quality. Baltimore: Abell http://www.abell.org/pubsitems/ed_cert_1101.pdf [30.09.2003].
3. Abell Foundation (2001b). Teacher certification reconsidered. Stumbling for quality—Appendix. Review of research teacher certification and effective teaching. Baltimore: Abell http://www.abell.org/pubsitems/ed_cert_appendix_1101.pdf [30.09.2003].
4. Adler, J., Ball, D. L., Krainer, K., Lin, F.-L., & Novotna, J. (2005). Reflections on an emerging field: Researching mathematics teacher education. Educational Studies in Mathematics, 60(3), 359–381.
5. Aebli, H. (1983). Zwölf Grundformen des Lehrens. Eine Allgemeine Didaktik auf psychologischer Grundlage. Stuttgart: Klett.