Mathematics, N. C. o. T. o. (1971). Historical topics in algebra. Washington D.C. : National Council of Teacher of Mathematics.
Cita Chicago (17th ed.)Mathematics, National Council of Teachers of. Historical Topics in Algebra. Washington D.C. : National Council of Teacher of Mathematics, 1971.
Cita MLA (9th ed.)Mathematics, National Council of Teachers of. Historical Topics in Algebra. Washington D.C. : National Council of Teacher of Mathematics, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.