एपीए उद्धरण

Pathmanabhan Mannathu. (1964). Ente jeevitha smaranakal Part.1. Mannathu Pathmanabhan.

शिकागो स्टाइल उद्धरण

Pathmanabhan Mannathu. Ente Jeevitha Smaranakal Part.1. Mannathu Pathmanabhan, 1964.

एमएलए उद्धरण

Pathmanabhan Mannathu. Ente Jeevitha Smaranakal Part.1. Mannathu Pathmanabhan, 1964.