1. Alencar, E. M. L. S., Fleith, D. S., & Arancibia. (2009). Gifted education in research on giftedness in South America. In L. V. Shavinina (Ed.), International handbook on giftedness (pp. 1491–1508). Springer Science+Business Media B.V.
2. Ahlberg, A. (1992). Att möta matematiska problem: En belysning av barns lärande [The meeting with mathematical problems. An illumination of children’s learning]. PhD thesis, University of Gothenburg.
3. Axelsson, R.-M. (2008, October 16). Spetsutbildningar för eliten splittrar eleverna [Cutting-edge programs for the elite disunify the students]. Sydöstran, p. 13A.
4. Axelsson, T. (2007). Rätt elev i rätt klass. Skola, begåvning och styrning 1910–1950. [The right student in the right class. School, giftedness and management]. Linköping Studies in Arts and Science No. 379, Department of Thematic Studies.
5. Australian Government. (2005). Gifted education professional development package. Retrieved August 4 from
http://www.dest.gov.au/sectors/school_education/publications_resources/profiles/gifted_education_professional_development_package.html