एपीए उद्धरण

K.V.Velayudhan. (2010). Economic development of kerala retrospect and prospect. Rainbow Book Publishers.

शिकागो स्टाइल उद्धरण

K.V.Velayudhan. Economic Development of Kerala Retrospect and Prospect. India: Rainbow Book Publishers, 2010.

एमएलए उद्धरण

K.V.Velayudhan. Economic Development of Kerala Retrospect and Prospect. Rainbow Book Publishers, 2010.