GOPALKRISHNAN, P. (1997). MATERIALS MANAGEMENT: AN INTEGRATED APPROACH. PHI.
Čikaški stil citiranja (17. izdanje)GOPALKRISHNAN, P. MATERIALS MANAGEMENT: AN INTEGRATED APPROACH. NEW DELHI: PHI, 1997.
MLA način citiranja (9. izdanje)GOPALKRISHNAN, P. MATERIALS MANAGEMENT: AN INTEGRATED APPROACH. PHI, 1997.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.