Cita APA (7a ed.)

Gurl, T. J., Artzt, A. F., & Sultan, A. (2012). Implementing the Common Core State Standards through Mathematical Problem Solving: High School. National council of teacher of mathematics.

Cita Chicago Style (17a ed.)

Gurl, Theresa J., Alice F. Artzt, y Alan Sultan. Implementing the Common Core State Standards Through Mathematical Problem Solving: High School. National council of teacher of mathematics, 2012.

Cita MLA (8a ed.)

Gurl, Theresa J., et al. Implementing the Common Core State Standards Through Mathematical Problem Solving: High School. National council of teacher of mathematics, 2012.