APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

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