APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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