Style de citation APA (7e éd.)

Orton, A. (1992). Learning mathematics: Issues, theory and classroom practice (2nd ed.). Cassell.

Style de citation Chicago (17e éd.)

Orton, Anthony. Learning Mathematics: Issues, Theory and Classroom Practice. 2nd ed. London: Cassell, 1992.

Style de citation MLA (9e éd.)

Orton, Anthony. Learning Mathematics: Issues, Theory and Classroom Practice. 2nd ed. Cassell, 1992.