APA引文

Sobel, M. A. (1991). Precalculus mathematics (4th.ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Sobel, Max A. Precalculus Mathematics. 4th.ed. Englewood Cliffs: Prentice Hall, 1991.

MLA引文

Sobel, Max A. Precalculus Mathematics. 4th.ed. Prentice Hall, 1991.

警告：這些引文格式不一定是100％准確.