APA način citiranja (7. izdanje)

NAndagopal, R. (2007). Research methods in business. Excel.

Čikaški stil citiranja (17. izdanje)

NAndagopal, R. Research Methods in Business. New Delhi: Excel, 2007.

MLA način citiranja (9. izdanje)

NAndagopal, R. Research Methods in Business. Excel, 2007.