AGGARWAL HEMCHANDRA. (1992). EXECUTIVE DIRECTORY: ENGINEERING INDUSTRIES. AGGARWAL PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)AGGARWAL HEMCHANDRA. EXECUTIVE DIRECTORY: ENGINEERING INDUSTRIES. MUMBAI: AGGARWAL PUBLICATIONS, 1992.
MLA način citiranja (9. izdanje)AGGARWAL HEMCHANDRA. EXECUTIVE DIRECTORY: ENGINEERING INDUSTRIES. AGGARWAL PUBLICATIONS, 1992.
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