Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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