Foster-Cohen, S. H. (1999). An introduction to child language development. Addison Wesley Longman.
Lua i Stíl Chicago (17ú heag.)Foster-Cohen, Susan H. An Introduction to Child Language Development. London ; New York: Addison Wesley Longman, 1999.
Lua MLA (8ú heag.)Foster-Cohen, Susan H. An Introduction to Child Language Development. Addison Wesley Longman, 1999.
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