एपीए उद्धरण

Narayanan Palakeezhu. (2013). V T Vellithiruithazhathu Raman Bhattathirippad. SPCS.

शिकागो स्टाइल उद्धरण

Narayanan Palakeezhu. V T Vellithiruithazhathu Raman Bhattathirippad. Kottayam: SPCS, 2013.

एमएलए उद्धरण

Narayanan Palakeezhu. V T Vellithiruithazhathu Raman Bhattathirippad. SPCS, 2013.