Παραπομπή APA

Gaither, N., & Frazier, G. (2004). Operations management/9th ed. Cengage learning.

Παραπομπή Chicago Style

Gaither, Norman, και Greg Frazier. Operations Management/9th Ed. New Delhi: Cengage learning, 2004.

Παραπομπή MLA

Gaither, Norman, και Greg Frazier. Operations Management/9th Ed. Cengage learning, 2004.