एपीए उद्धरण

Velayudhan, P. . e. (2014). Ottamooli vijnanakosham. Current Books.

शिकागो स्टाइल उद्धरण

Velayudhan, Panikkassery ed. Ottamooli Vijnanakosham. Kottayam: Current Books, 2014.

एमएलए उद्धरण

Velayudhan, Panikkassery ed. Ottamooli Vijnanakosham. Current Books, 2014.