एपीए उद्धरण

Anilkumar,A V. (2001). K P R Gopalan. Govt. of Kerala.

शिकागो स्टाइल उद्धरण

Anilkumar,A V. K P R Gopalan. Thiruvananthapuram: Govt. of Kerala, 2001.

एमएलए उद्धरण

Anilkumar,A V. K P R Gopalan. Govt. of Kerala, 2001.