Johnny, O. K. (2008). Edakkal caves and the history of wayanad: A students handbook. Mathrubhumi Books.
Čikaški stil citiranjaJohnny, O K.,ed. Edakkal Caves and the History of Wayanad: A Students Handbook. Kozhikode: Mathrubhumi Books, 2008.
MLA način citiranjaJohnny, O K.,ed. Edakkal Caves and the History of Wayanad: A Students Handbook. Mathrubhumi Books, 2008.
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