APA引文

Mansfield, E. (1971). Technological change: An introduction to a vital area of modern economics. New York: Norton.

Trích dẫn kiểu Chicago

Mansfield, Edwin. Technological Change: An Introduction to a Vital Area of Modern Economics. New York: Norton, 1971.

MLA引文

Mansfield, Edwin. Technological Change: An Introduction to a Vital Area of Modern Economics. New York: Norton, 1971.

警告：这些引文格式不一定是100％准确.