Lenneberg, E. H., & Lenneberg, E. (1975). Foundations of language development: A multidisciplinary approach. Academy press.
Chicago-čujuhus (17. p.)Lenneberg, Eric H., juo Elizabeth Lenneberg. Foundations of Language Development: A Multidisciplinary Approach. Nueva York: Academy press, 1975.
MLA-čujuhus (9. p.)Lenneberg, Eric H., juo Elizabeth Lenneberg. Foundations of Language Development: A Multidisciplinary Approach. Academy press, 1975.
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