APA引文

Paul, F. M. (1971). A study of mental deficiency in Singapore children.

Chicago Style (17th ed.) Citation

Paul, Freda M. A Study of Mental Deficiency in Singapore Children. 1971.

MLA引文

Paul, Freda M. A Study of Mental Deficiency in Singapore Children. 1971.

警告：这些引文格式不一定是100％准确.