Lenneberg, E. H., & Lenneberg, E. (1975). Foundations of language development: A multidisciplinary approach. Academic Press.
Chicago-viite (17. p.)Lenneberg, Eric H., ja Elizabeth Lenneberg. Foundations of Language Development: A Multidisciplinary Approach. Nueva York: Academic Press, 1975.
MLA-viite (9. p.)Lenneberg, Eric H., ja Elizabeth Lenneberg. Foundations of Language Development: A Multidisciplinary Approach. Academic Press, 1975.
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