Ohio Council of Teachers of Mathematics. (1977). Ohio journal of school mathematics. Ohio Council of Teachers of Mathematics.
Cita Chicago (17th ed.)Ohio Council of Teachers of Mathematics. Ohio Journal of School Mathematics. Oxford, Ohio: Ohio Council of Teachers of Mathematics, 1977.
Cita MLA (9th ed.)Ohio Council of Teachers of Mathematics. Ohio Journal of School Mathematics. Ohio Council of Teachers of Mathematics, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.