Singer, D. G., & Singer, J. L. (1990). The house of make-believe: Children's play and the developing imagination. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Singer, Dorothy G., agus Jerome L. Singer. The House of Make-believe: Children's Play and the Developing Imagination. Cambridge, Mass.: Harvard University Press, 1990.
Lua MLA (8ú heag.)Singer, Dorothy G., agus Jerome L. Singer. The House of Make-believe: Children's Play and the Developing Imagination. Harvard University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.