Παραπομπή APA

Paramesvarayyar, U. S. (1967). Keralasahityacaritram. Department of publications.

Παραπομπή Chicago Style

Paramesvarayyar, Ullur S. Keralasahityacaritram. Trivandrum: Department of publications, 1967.

Παραπομπή MLA

Paramesvarayyar, Ullur S. Keralasahityacaritram. Department of publications, 1967.