Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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