Gaither, N., & Frazier, G. (2004). Operations management (9th ed. (Indian ed.).). South-Western/Thomson Learning ; Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Gaither, Norman, agus Greg Frazier. Operations Management. 9th ed. (Indian ed.). Australia ; Cincinnati, Ohio : New Delhi: South-Western/Thomson Learning ; Cengage Learning, 2004.
Lua MLA (8ú heag.)Gaither, Norman, agus Greg Frazier. Operations Management. 9th ed. (Indian ed.). South-Western/Thomson Learning ; Cengage Learning, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.