Pugh, G., & Duffy, B. (2006). Contemporary issues in the early years (4th edition.). Sage Publications/PCP.
Cita Chicago Style (17a ed.)Pugh, Gillian, y Bernadette Duffy. Contemporary Issues in the Early Years. 4th edition. Thousand Oaks, CA: Sage Publications/PCP, 2006.
Cita MLA (8a ed.)Pugh, Gillian, y Bernadette Duffy. Contemporary Issues in the Early Years. 4th edition. Sage Publications/PCP, 2006.
Precaución: Estas citas no son 100% exactas.