APA引文

Baumol, W. J. (1985). Productivity growth and U.S. competitiveness. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Baumol, William J. Productivity Growth and U.S. Competitiveness. New York: Oxford University Press, 1985.

MLA引文

Baumol, William J. Productivity Growth and U.S. Competitiveness. New York: Oxford University Press, 1985.

警告：這些引文格式不一定是100％准確.