Style de citation APA (7e éd.)

Pugh, G., & Duffy, B. (2006). Contemporary issues in the early years (4th edition.). Sage Publications/PCP.

Style de citation Chicago (17e éd.)

Pugh, Gillian, et Bernadette Duffy. Contemporary Issues in the Early Years. 4th edition. Thousand Oaks, CA: Sage Publications/PCP, 2006.

Style de citation MLA (8e éd.)

Pugh, Gillian, et Bernadette Duffy. Contemporary Issues in the Early Years. 4th edition. Sage Publications/PCP, 2006.