एपीए उद्धरण

Thampan M R. (2015). Ulloor S Parameswarayyar. The state institute of languages.

शिकागो स्टाइल उद्धरण

Thampan M R. Ulloor S Parameswarayyar. Thiruvananthapuram: The state institute of languages, 2015.

एमएलए उद्धरण

Thampan M R. Ulloor S Parameswarayyar. The state institute of languages, 2015.