Cita APA (7th ed.)
Clifford-Poston, A., & Roberts, L. (2008). A playworker's guide to understanding children's behaviour: Working with the 8-12 age group. Karnac.
Cita Chicago (17th ed.)
Clifford-Poston, Andrea, i Liz Roberts. A Playworker's Guide to Understanding Children's Behaviour: Working with the 8-12 Age Group. London ; New York: Karnac, 2008.
Cita MLA (9th ed.)
Clifford-Poston, Andrea, i Liz Roberts. A Playworker's Guide to Understanding Children's Behaviour: Working with the 8-12 Age Group. Karnac, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.