APA引文

Mansfield, E. (1968). The economics of technological change ([1st ed.].). W. W. Norton.

芝加哥风格引文

Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. New York: W. W. Norton, 1968.

MLA引文

Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. W. W. Norton, 1968.