एपीए उद्धरण

Sreedharan, P. (1993). Oru sangeerthanam pole. Current Books.

शिकागो स्टाइल उद्धरण

Sreedharan, Perumbadavam. Oru Sangeerthanam Pole. Kottayam: Current Books, 1993.

एमएलए उद्धरण

Sreedharan, Perumbadavam. Oru Sangeerthanam Pole. Current Books, 1993.