Cita APA (7th ed.)

Mason, J., Graham, A., & Johnston-Wilder, S. (2005). Developing thinking in algebra. Open University in association with Paul Chapman Pub. ; Sage Publications.

Cita Chicago (17th ed.)

Mason, John, Alan Graham, i Sue Johnston-Wilder. Developing Thinking in Algebra. London : Thousand Oaks, Calif.: Open University in association with Paul Chapman Pub. ; Sage Publications, 2005.

Cita MLA (8th ed.)

Mason, John, et al. Developing Thinking in Algebra. Open University in association with Paul Chapman Pub. ; Sage Publications, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.