Cita APA (7th ed.)

Fried, H. O., Knox Lovell, C., & Schmidt, S. S. (1993). The measurement of productive efficiency, techniques and applications. Oxford University Press.

Cita Chicago (17th ed.)

Fried, Harold O., C.A Knox Lovell, i Shelton S. Schmidt. The Measurement of Productive Efficiency, Techniques and Applications. New York: Oxford University Press, 1993.

Cita MLA (9th ed.)

Fried, Harold O., et al. The Measurement of Productive Efficiency, Techniques and Applications. Oxford University Press, 1993.