एपीए उद्धरण

John Pellissery. (1990). Thiruvananthapuram.

शिकागो स्टाइल उद्धरण

John Pellissery. Thiruvananthapuram. Kottayam, Pellissery Publications, 1990.

एमएलए उद्धरण

John Pellissery. Thiruvananthapuram. 1990.