Gleason, J. B., & Ratner, N. B. (2009). The Development of language (7th ed.). Allyn and Bacon.
Chicago-viite (17. p.)Gleason, Jean Berko, ja Nan Bernstein Ratner. The Development of Language. 7th ed. Boston: Allyn and Bacon, 2009.
MLA-viite (9. p.)Gleason, Jean Berko, ja Nan Bernstein Ratner. The Development of Language. 7th ed. Allyn and Bacon, 2009.
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