Reddy, L. A., Files-Hall, T. M., & Schaefer, C. E. (2005). Empirically based play interventions for children. Washington, DC : American Psychological Association.
Chicago (17e ed.) BronvermeldingReddy, Linda A., Tara M. Files-Hall, en Charles E. Schaefer. Empirically Based Play Interventions for Children. Washington, DC : American Psychological Association, 2005.
MLA (9e ed.) BronvermeldingReddy, Linda A., et al. Empirically Based Play Interventions for Children. Washington, DC : American Psychological Association, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.