Παραπομπή σε μορφή APA (7η εκδ.)

Sengupta, J. (1989). Efficiency analysis by production frontiers: The nonparametric approach. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sengupta, Jatikumar. Efficiency Analysis by Production Frontiers: The Nonparametric Approach. Dordrecht [Netherlands]: Kluwer Academic Publishers, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sengupta, Jatikumar. Efficiency Analysis by Production Frontiers: The Nonparametric Approach. Kluwer Academic Publishers, 1989.