एपीए उद्धरण

Premnath, V. M. (1966). Keralattile Atimakal. Current Books.

शिकागो स्टाइल उद्धरण

Premnath, Vettiyar M. Keralattile Atimakal. Trichur: Current Books, 1966.

एमएलए उद्धरण

Premnath, Vettiyar M. Keralattile Atimakal. Current Books, 1966.