एपीए उद्धरण

Johnny, O. K. (2008). Edakkal caves and the history of wayanad: A students handbook. Mathrubhumi Books.

शिकागो स्टाइल उद्धरण

Johnny, O K.,ed. Edakkal Caves and the History of Wayanad: A Students Handbook. Kozhikode: Mathrubhumi Books, 2008.

एमएलए उद्धरण

Johnny, O K.,ed. Edakkal Caves and the History of Wayanad: A Students Handbook. Mathrubhumi Books, 2008.