Cita APA (7th ed.)

Mansfield, E., & Mansfield, E. (1993). The Economics of technical change. E. Elgar Pub.

Cita Chicago (17th ed.)

Mansfield, Edwin, i Elizabeth Mansfield. The Economics of Technical Change. Aldershot, Hants, England, Brookfield, Vt., USA: E. Elgar Pub, 1993.

Cita MLA (9th ed.)

Mansfield, Edwin, i Elizabeth Mansfield. The Economics of Technical Change. E. Elgar Pub, 1993.