Παραπομπή APA

Schonberger, R. J., & Knod, E. M. (1991). Operations management: Improving customer service (4th ed.). Homewood, IL: Irwin.

Παραπομπή Chicago Style

Schonberger, Richard J., and Edward M. Knod. Operations Management: Improving Customer Service. 4th ed. Homewood, IL: Irwin, 1991.

Παραπομπή MLA

Schonberger, Richard J., and Edward M. Knod. Operations Management: Improving Customer Service. 4th ed. Homewood, IL: Irwin, 1991.

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