Cita APA (7th ed.)

Arnon, I., & Cottrill, J. (2014). APOS Theory: A framework for research and curriculum development in mathematics education. Springer.

Cita Chicago (17th ed.)

Arnon, Ilana, i Jim Cottrill. APOS Theory: A Framework for Research and Curriculum Development in Mathematics Education. New York, Estados Unidos: Springer, 2014.

Cita MLA (9th ed.)

Arnon, Ilana, i Jim Cottrill. APOS Theory: A Framework for Research and Curriculum Development in Mathematics Education. Springer, 2014.