khanna, r. (2015). Production and operations management (2nd ed.). phl learning private limited.
Lua i Stíl Chicago (17ú heag.)khanna, r.b. Production and Operations Management. 2nd ed. new delhi: phl learning private limited, 2015.
Lua MLA (9ú heag.)khanna, r.b. Production and Operations Management. 2nd ed. phl learning private limited, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.