APA引文

WILLIAMS, E., & SHUARD, H. (1970). Elementary mathematics today: A resource for teachersgrades 1-8. Addison-Wesley Pub. Co.

Chicago Style (17th ed.) Citation

WILLIAMS, Elizabeth, and Hilary SHUARD. Elementary Mathematics Today: A Resource for Teachersgrades 1-8. Menlo Park: Addison-Wesley Pub. Co, 1970.

MLA引文

WILLIAMS, Elizabeth, and Hilary SHUARD. Elementary Mathematics Today: A Resource for Teachersgrades 1-8. Addison-Wesley Pub. Co, 1970.