Fried, H. O., Lovell, C. A. K., & Schmidt, S. S. (1993). The measurement of productive efficiency: Techniques and applications. Oxford University.
Chicago Style (17. basım) AtıfFried, Harold O., C. A. Knox Lovell, ve Shelton S. Schmidt. The Measurement of Productive Efficiency: Techniques and Applications. Nueva York: Oxford University, 1993.
MLA (9th ed.) AtıfFried, Harold O., et al. The Measurement of Productive Efficiency: Techniques and Applications. Oxford University, 1993.
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