Παραπομπή APA

Wright, R. J. (2006). Teaching number: Advancing children's skills and strategies (2nd ed.). P. Chapman Pub. ; SAGE Pblications.

Παραπομπή Chicago Style

Wright, Robert J. Teaching Number: Advancing Children's Skills and Strategies. 2nd ed. London ; Thousand Oaks, Calif.: P. Chapman Pub. ; SAGE Pblications, 2006.

Παραπομπή MLA

Wright, Robert J. Teaching Number: Advancing Children's Skills and Strategies. 2nd ed. P. Chapman Pub. ; SAGE Pblications, 2006.