Gleason, J. B. (1997). The Development of language (4th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Gleason, Jean Berko. The Development of Language. 4th ed. Boston: Allyn and Bacon, 1997.
Lua MLA (9ú heag.)Gleason, Jean Berko. The Development of Language. 4th ed. Allyn and Bacon, 1997.
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