Arnon, I., & Cottrill, J. (2014). APOS Theory: A framework for research and curriculum development in mathematics education. Springer.
Chicago Style (17th ed.) CitationArnon, Ilana, and Jim Cottrill. APOS Theory: A Framework for Research and Curriculum Development in Mathematics Education. New York, Estados Unidos: Springer, 2014.
MLA (9th ed.) CitationArnon, Ilana, and Jim Cottrill. APOS Theory: A Framework for Research and Curriculum Development in Mathematics Education. Springer, 2014.
Warning: These citations may not always be 100% accurate.