Style de citation APA (7e éd.)

Langford, P. (1987). Concept development in the primary school. Croom Helm.

Style de citation Chicago (17e éd.)

Langford, Peter. Concept Development in the Primary School. London ; New York: Croom Helm, 1987.

Style de citation MLA (8e éd.)

Langford, Peter. Concept Development in the Primary School. Croom Helm, 1987.