APA引文

Koay, T. L. (1990). A case study of a Down syndrome child.

Chicago Style (17th ed.) Citation

Koay, Teng Leong. A Case Study of a Down Syndrome Child. 1990.

MLA引文

Koay, Teng Leong. A Case Study of a Down Syndrome Child. 1990.

警告：這些引文格式不一定是100％准確.