Hull Learning Services (Great Britain). (2004). Supporting children with speech and language difficulties. D. Fulton.
芝加哥风格引文Hull Learning Services (Great Britain). Supporting Children with Speech and Language Difficulties. London: D. Fulton, 2004.
MLA引文Hull Learning Services (Great Britain). Supporting Children with Speech and Language Difficulties. D. Fulton, 2004.
警告：这些引文格式不一定是100％准确.