एपीए उद्धरण

Gopalakrishnan,P K. (1974). Keralathinde samskarika charitram (2.). Kerala Bhasha Institute.

शिकागो स्टाइल उद्धरण

Gopalakrishnan,P K. Keralathinde Samskarika Charitram. 2. Thiruvananthapuram: Kerala Bhasha Institute, 1974.

एमएलए उद्धरण

Gopalakrishnan,P K. Keralathinde Samskarika Charitram. 2. Kerala Bhasha Institute, 1974.