APA引文

Brumfiel Charles F. Etc. (1962). Fundamental concepts of elementary mathematics.

Chicago Edition Citation

Brumfiel Charles F. Etc. Fundamental Concepts of Elementary Mathematics. 1962.

MLA引文

Brumfiel Charles F. Etc. Fundamental Concepts of Elementary Mathematics. 1962.

警告：這些引文格式不一定是100％准確.