एपीए उद्धरण

Iyer, L. (1968). Social history of Kerala: Vol.1 : The pre-dravidians. Book Centre Publications.

शिकागो स्टाइल उद्धरण

Iyer, L.A.Krishna. Social History of Kerala: Vol.1 : The Pre-dravidians. Madras: Book Centre Publications, 1968.

एमएलए उद्धरण

Iyer, L.A.Krishna. Social History of Kerala: Vol.1 : The Pre-dravidians. Book Centre Publications, 1968.