APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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