Παραπομπή σε μορφή APA (7η εκδ.)

Gulledge, T. R., & Lovell, C. A. K. (1992). International applications of productivity and efficiency analysis: A special issue of the journal of productivity analysis. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gulledge, Thomas R., και C. A. Knox Lovell. International Applications of Productivity and Efficiency Analysis: A Special Issue of the Journal of Productivity Analysis. Boston: Kluwer Academic Publishers, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gulledge, Thomas R., και C. A. Knox Lovell. International Applications of Productivity and Efficiency Analysis: A Special Issue of the Journal of Productivity Analysis. Kluwer Academic Publishers, 1992.