Children's play
by W. George Scarlett, Sophie Naudeau Dorothy Salonius-Pasternak and Iris Ponte
Sage, 2005
 Buku Teks
Cohen, David
The development of play
Routledge, 2006
 Buku Teks
Play therapy : a comprehensive guide to theory and practice
edited by David A. Crenshaw and Anne L. Stewart ; foreword by Stuart Brown.
The Guilford Press, 2015
 Buku Teks
McMahon, Linnet
The handbook of play therapy
Routledge, 1992
 Buku Referensi
Child?s play : developmental and applied / edited by Thomas D. Yawkey and Anthony D. Pellegrini.
L. Erlbaum Associates,, 1984
 Buku Teks