NATIONAL ASSOCIATION OF SOFTWARE AND SERVICE COMP. (1999). NASSCOM`S HANDBOOK I.T. ENABLED SERVICES. NASSCOM.
Čikaški stil citiranja (17. izdanje)NATIONAL ASSOCIATION OF SOFTWARE AND SERVICE COMP. NASSCOM`S HANDBOOK I.T. ENABLED SERVICES. NEW DELHI: NASSCOM, 1999.
MLA način citiranja (9. izdanje)NATIONAL ASSOCIATION OF SOFTWARE AND SERVICE COMP. NASSCOM`S HANDBOOK I.T. ENABLED SERVICES. NASSCOM, 1999.
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