Cita APA (7th ed.)

Leder, G. C., Pehkonen, E., & Torner, G. (2002). Beliefs: A hidden variable in mathematics education. Kluber Academic Publishers.

Cita Chicago (17th ed.)

Leder, Gilah C., Erkki Pehkonen, i Gunter Torner. Beliefs: A Hidden Variable in Mathematics Education. Dordrecht: Kluber Academic Publishers, 2002.

Cita MLA (9th ed.)

Leder, Gilah C., et al. Beliefs: A Hidden Variable in Mathematics Education. Kluber Academic Publishers, 2002.