1. Ajzen, I. (1989). Attitude structure and behavior. In A. R. Pratkanis, S. J. Breckler, & A. G. Greenwald (Eds.), The third Ohio State University Vol. on attitudes and persuasion. Attitude structure and function (pp. 241–274). Lawrence Erlbaum Associates, Inc.
2. Arocena, E. & Gorter, D. (2013). The multilingual classroom in primary education in the Basque Country and in Friesland: Beliefs of teachers and their language practices. Leeuwarden/ Ljouwert: Mercator European Research Centre on Multilingualism and Language Learning.
3. Baker, C. (1992). Attitudes and languages (Ser. Multilingual matters, 83). Multilingual Matters.
4. Banaji, M. R. (2013). The Implicit Association Test at age 7: A methodological and conceptual review. Social psychology and the unconscious: The automaticity of higher mental processes, 265.
5. Implicit attitudes can be measured.