APA引文

Schwieger, R. D., & Ruben D. Schwieger. (1999). Teaching elementary school mathematics: A problem-solving approach. Belmont, CA: Wadsworth Pub.

Trích dẫn kiểu Chicago

Schwieger, Ruben D., và Ruben D. Schwieger. Teaching Elementary School Mathematics: A Problem-solving Approach. Belmont, CA: Wadsworth Pub, 1999.

MLA引文

Schwieger, Ruben D., và Ruben D. Schwieger. Teaching Elementary School Mathematics: A Problem-solving Approach. Belmont, CA: Wadsworth Pub, 1999.

警告：這些引文格式不一定是100％准確.