APA引文

Hoffmann, L. D. (2007). Calculus for business, economics, and the social and life sciences. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Hoffmann, Laurence D. Calculus for Business, Economics, and the Social and Life Sciences. Boston: McGraw-Hill, 2007.

MLA引文

Hoffmann, Laurence D. Calculus for Business, Economics, and the Social and Life Sciences. Boston: McGraw-Hill, 2007.

警告：這些引文格式不一定是100％准確.