Παραπομπή APA

Pimm, D. (1987). Speaking mathematically: Communication in mathematics classrooms. Routledge & K. Paul.

Παραπομπή Chicago Style

Pimm, David. Speaking Mathematically: Communication in Mathematics Classrooms. London ; New York: Routledge & K. Paul, 1987.

Παραπομπή MLA

Pimm, David. Speaking Mathematically: Communication in Mathematics Classrooms. Routledge & K. Paul, 1987.