Cita APA (7th ed.)
Mansfield, E. (1968). The economics of technological change ([1st ed.].). W. W. Norton.
Cita Chicago (17th ed.)
Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. New York: W. W. Norton, 1968.
Cita MLA (9th ed.)
Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. W. W. Norton, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.