Reddy, L. A., Files-Hall, T. M., & Schaefer, C. E. (2016). Empirically based play interventions for children (Second edition.). American Psychological Association.
Čikaški stil citiranja (17. izdanje)Reddy, Linda A., Tara M. Files-Hall, i Charles E. Schaefer. Empirically Based Play Interventions for Children. Second edition. Washington, District of Columbia: American Psychological Association, 2016.
MLA način citiranja (9. izdanje)Reddy, Linda A., et al. Empirically Based Play Interventions for Children. Second edition. American Psychological Association, 2016.
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