Ong, M. M. Y. (2008). Requestives and directives in children's requests: A case study.
Chicago Style (17th ed.) CitationOng, Michelle May Yin. Requestives and Directives in Children's Requests: A Case Study. 2008.
MLA引文Ong, Michelle May Yin. Requestives and Directives in Children's Requests: A Case Study. 2008.
警告：這些引文格式不一定是100％准確.