Singer, D. G., & Singer, J. L. (1990). The house of make-believe: Children's play and the developing imagination. Harvard University Press.
Dyfyniad Arddull ChicagoSinger, Dorothy G., and Jerome L. Singer. The House of Make-believe: Children's Play and the Developing Imagination. Cambridge, Mass.: Harvard University Press, 1990.
Dyfyniad MLASinger, Dorothy G., and Jerome L. Singer. The House of Make-believe: Children's Play and the Developing Imagination. Harvard University Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.