Ee, J. L. C. (1991). Teaching addition and subtraction to educationally sub-normal children.
Chicago Style (17th ed.) CitationEe, Jessie Leong Choo. Teaching Addition and Subtraction to Educationally Sub-normal Children. 1991.
MLA引文Ee, Jessie Leong Choo. Teaching Addition and Subtraction to Educationally Sub-normal Children. 1991.
警告：这些引文格式不一定是100％准确.