Παραπομπή APA

Kinard, J. T., & Kozulin, A. (2008). Rigorous mathematical thinking: Conceptual formation in the mathematics classroom. Cambridge University Press.

Παραπομπή Chicago Style

Kinard, James T., και Alex Kozulin. Rigorous Mathematical Thinking: Conceptual Formation in the Mathematics Classroom. Cambridge ; New York: Cambridge University Press, 2008.

Παραπομπή MLA

Kinard, James T., και Alex Kozulin. Rigorous Mathematical Thinking: Conceptual Formation in the Mathematics Classroom. Cambridge University Press, 2008.