Cobb, P. (1994). Learning mathematics: Constructivist and interactionist theories of mathematical development. Kluwer Academic Publishers.
Chicago-Zitierstil (17. Ausg.)Cobb, Paul. Learning Mathematics: Constructivist and Interactionist Theories of Mathematical Development. Dordrecht: Kluwer Academic Publishers, 1994.
MLA-Zitierstil (9. Ausg.)Cobb, Paul. Learning Mathematics: Constructivist and Interactionist Theories of Mathematical Development. Kluwer Academic Publishers, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.