APA aipamena

Balakrishnan Nair, N. (1971). Paristhithi Vijnanam. State institute of languages.

Chicago Style aipamena

Balakrishnan Nair, N. Paristhithi Vijnanam. Trivandrum: State institute of languages, 1971.

MLA aipamena

Balakrishnan Nair, N. Paristhithi Vijnanam. State institute of languages, 1971.