Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

ebrary, Inc, Harold O. Fried, 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.)

ebrary, Inc, et al. The Measurement of Productive Efficiency: Techniques and Applications. Oxford University Press, 1993.