Cita APA (7a ed.)

Gordon, D. E. (1993). The inhibition of pretend play and its implications for development. [s.n.].

Cita Chicago Style (17a ed.)

Gordon, Debra E. The Inhibition of Pretend Play and Its Implications for Development. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Gordon, Debra E. The Inhibition of Pretend Play and Its Implications for Development. [s.n.], 1993.