Dale, P. (1972). Language Development: Structure and Function. The Dryden Press Inc.
Lua i Stíl Chicago (17ú heag.)Dale, Philip. Language Development: Structure and Function. The Dryden Press Inc, 1972.
Lua MLA (8ú heag.)Dale, Philip. Language Development: Structure and Function. The Dryden Press Inc, 1972.
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