एपीए उद्धरण

Gopinadhanpillai Vattaparambil. (1992). 55 Nadanpattukal. Allapuzha Janajakrethy.

शिकागो स्टाइल उद्धरण

Gopinadhanpillai Vattaparambil. 55 Nadanpattukal. Allapuzha Janajakrethy: Allapuzha Janajakrethy, 1992.

एमएलए उद्धरण

Gopinadhanpillai Vattaparambil. 55 Nadanpattukal. Allapuzha Janajakrethy, 1992.