APA引文

KRAMER, K. (1978). Teaching elementary school mathematics.-- Ed.4. Allyn and Bacon.

芝加哥风格引文

KRAMER, Klaas. Teaching Elementary School Mathematics.-- Ed.4. Boston: Allyn and Bacon, 1978.

MLA引文

KRAMER, Klaas. Teaching Elementary School Mathematics.-- Ed.4. Allyn and Bacon, 1978.

警告：这些引文格式不一定是100％准确.