khanna, r. (2015). Production and operations management (2nd ed.). phl learning private limited.
Čikaški stil citiranja (17. izdanje)khanna, r.b. Production and Operations Management. 2nd ed. new delhi: phl learning private limited, 2015.
MLA način citiranja (9. izdanje)khanna, r.b. Production and Operations Management. 2nd ed. phl learning private limited, 2015.