एपीए उद्धरण

Balakrishnan. (1971). Paristhithivijnanam. State Instutute of Languages.

शिकागो स्टाइल उद्धरण

Balakrishnan. Paristhithivijnanam. Trivandrum: State Instutute of Languages, 1971.

एमएलए उद्धरण

Balakrishnan. Paristhithivijnanam. State Instutute of Languages, 1971.