Schwartz, U. V. (1991). Young children's dyadic pretend play: A communication analysis of plot structure and plot generative strategies. J. Benjamins.
Lua i Stíl Chicago (17ú heag.)Schwartz, Ursula Verena. Young Children's Dyadic Pretend Play: A Communication Analysis of Plot Structure and Plot Generative Strategies. Amsterdam ; Philadelphia: J. Benjamins, 1991.
Lua MLA (9ú heag.)Schwartz, Ursula Verena. Young Children's Dyadic Pretend Play: A Communication Analysis of Plot Structure and Plot Generative Strategies. J. Benjamins, 1991.
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