Cita APA (7th ed.)
Association of teachers of mathematics. (1964). Some lessons in mathematics (1a. ed.). Fletcher, T. J..
Cita Chicago (17th ed.)
Association of teachers of mathematics. Some Lessons in Mathematics. 1a. ed. Cambridge: Fletcher, T. J., 1964.
Cita MLA (9th ed.)
Association of teachers of mathematics. Some Lessons in Mathematics. 1a. ed. Fletcher, T. J., 1964.
Atenció: Aquestes cites poden no estar 100% correctes.