Cita APA (7th ed.)
ebrary, Inc, Leder, G. C., Pehkonen, E., & Törner, G. (2002). Beliefs: A hidden variable in mathematics education? Kluwer Academic Publishers.
Cita Chicago (17th ed.)
ebrary, Inc, Gilah C. Leder, Erkki Pehkonen, i Günter Törner. Beliefs: A Hidden Variable in Mathematics Education? Boston: Kluwer Academic Publishers, 2002.
Cita MLA (9th ed.)
ebrary, Inc, et al. Beliefs: A Hidden Variable in Mathematics Education? Kluwer Academic Publishers, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.