एपीए उद्धरण

Rajan,K R. (1987). Keralathile vyavasayangal v.1: Industries of Kerala. State institute of languages.

शिकागो स्टाइल उद्धरण

Rajan,K R. Keralathile Vyavasayangal V.1: Industries of Kerala. Thiruvananthapuram: State institute of languages, 1987.

एमएलए उद्धरण

Rajan,K R. Keralathile Vyavasayangal V.1: Industries of Kerala. State institute of languages, 1987.