APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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