Hull Learning Services (Great Britain). (2004). Supporting children with speech and language difficulties. D. Fulton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHull Learning Services (Great Britain). Supporting Children with Speech and Language Difficulties. London: D. Fulton, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHull Learning Services (Great Britain). Supporting Children with Speech and Language Difficulties. D. Fulton, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.