APA ציטוט

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.

ציטוט MLA

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