Cita APA

Carruthers, E., & Worthington, M. (2006). Children's mathematics: Making marks, making meaning (2nd ed.). London ; Thousand Oaks, Calif.: Sage.

Citación estilo Chicago

Carruthers, Elizabeth., and Maulfry Worthington. Children's Mathematics: Making Marks, Making Meaning. 2nd ed. London ; Thousand Oaks, Calif.: Sage, 2006.

Cita MLA

Carruthers, Elizabeth., and Maulfry Worthington. Children's Mathematics: Making Marks, Making Meaning. 2nd ed. London ; Thousand Oaks, Calif.: Sage, 2006.