APA (7th ed.) Zitazioa

Cobb, P. (1994). Learning mathematics: Constructivist and interactionist theories of mathematical development. Kluwer Academic Publishers.

Chicago Style (17th ed.) Zitazioa

Cobb, Paul. Learning Mathematics: Constructivist and Interactionist Theories of Mathematical Development. Dordrecht: Kluwer Academic Publishers, 1994.

MLA (9th ed.) Zitazioa

Cobb, Paul. Learning Mathematics: Constructivist and Interactionist Theories of Mathematical Development. Kluwer Academic Publishers, 1994.