एपीए उद्धरण

Sreedharan, P. (1997). Oru sankeerthanam pole (m). Perumpadavam Sreedharan.

शिकागो स्टाइल उद्धरण

Sreedharan, Perumpadavam. Oru Sankeerthanam Pole (m). Perumpadavam Sreedharan, 1997.

एमएलए उद्धरण

Sreedharan, Perumpadavam. Oru Sankeerthanam Pole (m). Perumpadavam Sreedharan, 1997.