एपीए उद्धरण

Nandagopal,, R., & Arul Rajan,, K. (2008). Research methods in business. Excel books.

शिकागो स्टाइल उद्धरण

Nandagopal,, R., और K. Arul Rajan. Research Methods in Business. New Delhi: Excel books, 2008.

एमएलए उद्धरण

Nandagopal,, R., और K. Arul Rajan. Research Methods in Business. Excel books, 2008.