Cita APA

Kinney, L. B., & Purdy, C. R. (1956). Teaching mathematics in the secondary schools.

Chicago Edition Citation

Kinney, Lucien Blair, i C. Richard Purdy. Teaching Mathematics in the Secondary Schools. 1956.

Cita MLA

Kinney, Lucien Blair, i C. Richard Purdy. Teaching Mathematics in the Secondary Schools. 1956.

Atenció: Aquestes cites poden no estar 100% correctes.