Quiban, U. C. (1972). The Cartesian coordinate system as a unifying concept in school mathematics.
Citação norma ChicagoQuiban, Ursula Cirujales-. The Cartesian Coordinate System as a Unifying Concept in School Mathematics. 1972.
Citação norma MLAQuiban, Ursula Cirujales-. The Cartesian Coordinate System as a Unifying Concept in School Mathematics. 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.