एपीए उद्धरण

Government of Kerala. (1997). Kerala secretariat office manual. Government of Kerala.

शिकागो स्टाइल उद्धरण

Government of Kerala. Kerala Secretariat Office Manual. Thiruvananthapuram: Government of Kerala, 1997.

एमएलए उद्धरण

Government of Kerala. Kerala Secretariat Office Manual. Government of Kerala, 1997.