Style de citation APA (7e éd.)

Lever, M. (2012). Number: Activities for children with mathematical learning difficulties. Routledge.

Style de citation Chicago (17e éd.)

Lever, Mel. Number: Activities for Children with Mathematical Learning Difficulties. Oxfordshire, England ; New York: Routledge, 2012.

Style de citation MLA (8e éd.)

Lever, Mel. Number: Activities for Children with Mathematical Learning Difficulties. Routledge, 2012.