Cita APA (7th ed.)

Fried, H. O., Lovell, C. A. K., & Schmidt, S. S. (1993). The measurement of productive efficiency: Techniques and applications. Oxford University.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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