एपीए उद्धरण

N E S Raghavachari. (1974). Kerala sarkar office nadapadi Grantham. Goverment of Kerala.

शिकागो स्टाइल उद्धरण

N E S Raghavachari. Kerala Sarkar Office Nadapadi Grantham. Goverment of Kerala, 1974.

एमएलए उद्धरण

N E S Raghavachari. Kerala Sarkar Office Nadapadi Grantham. Goverment of Kerala, 1974.