Sheffield, L. J., & Cruikshank, D. E. (2000). Teaching and Learning Elementary and Middle School Mathematics (4th ed.). [kn]: John Wiley and Sons.
Citação norma ChicagoSheffield, Linda Jensen., e Douglas E. Cruikshank. Teaching and Learning Elementary and Middle School Mathematics. 4th ed. [kn]: John Wiley and Sons, 2000.
Citação norma MLASheffield, Linda Jensen., e Douglas E. Cruikshank. Teaching and Learning Elementary and Middle School Mathematics. 4th ed. [kn]: John Wiley and Sons, 2000.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.