Vigilante, N. J. c. (1969). Mathematics in elementary education: Selected readings. Macmillan.
Cita Chicago (17th ed.)Vigilante, Nicholas J. comp. Mathematics in Elementary Education: Selected Readings. London: Macmillan, 1969.
Cita MLA (9th ed.)Vigilante, Nicholas J. comp. Mathematics in Elementary Education: Selected Readings. Macmillan, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.