APA引文

Sperry Smith, S. (1997). Early childhood mathematics. Boston: Allyn and Bacon.

Trích dẫn kiểu Chicago

Sperry Smith, Susan. Early Childhood Mathematics. Boston: Allyn and Bacon, 1997.

MLA引文

Sperry Smith, Susan. Early Childhood Mathematics. Boston: Allyn and Bacon, 1997.

警告：这些引文格式不一定是100％准确.