Cita APA (7th ed.)

Bikner-Ahsbahs, A., Knipping, C., & Presmeg, N. (2015). Approaches to qualitative research in Mathematics Education: Examples of methodology and methods (1a. ed.). Springer.

Cita Chicago (17th ed.)

Bikner-Ahsbahs, Angelika, Christine Knipping, i Norma Presmeg. Approaches to Qualitative Research in Mathematics Education: Examples of Methodology and Methods. 1a. ed. Dordrecht: Springer, 2015.

Cita MLA (9th ed.)

Bikner-Ahsbahs, Angelika, et al. Approaches to Qualitative Research in Mathematics Education: Examples of Methodology and Methods. 1a. ed. Springer, 2015.