APA引文

Yip, S. H. (1990). Development of a hierarchy of mathematics performance among secondary school students in Singapore.

Chicago Style (17th ed.) Citation

Yip, Siew Har. Development of a Hierarchy of Mathematics Performance Among Secondary School Students in Singapore. 1990.

MLA引文

Yip, Siew Har. Development of a Hierarchy of Mathematics Performance Among Secondary School Students in Singapore. 1990.

警告：這些引文格式不一定是100％准確.