Fletcher, P., & O'Toole, C. (2016). Language development and language impairment: A problem-based introduction. Wiley-Blackwell.
Čikaški stil citiranja (17. izdanje)Fletcher, Paul, i Ciara O'Toole. Language Development and Language Impairment: A Problem-based Introduction. Chichester, West Sussex, UK: Wiley-Blackwell, 2016.
MLA način citiranja (9. izdanje)Fletcher, Paul, i Ciara O'Toole. Language Development and Language Impairment: A Problem-based Introduction. Wiley-Blackwell, 2016.
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