Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.