ഇ എം കോവൂര് & E M Kovoor. (1975). ഗുഹാജീവികള് (1st.). Sahitya Pravarthaka Co-operative Society Ltd.
Chicago Edition Citationഇ എം കോവൂര് and E M Kovoor. ഗുഹാജീവികള്. 1st. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1975.
MLA Edition Citationഇ എം കോവൂര് and E M Kovoor. ഗുഹാജീവികള്. 1st. Sahitya Pravarthaka Co-operative Society Ltd, 1975.
Warning: These citations may not always be 100% accurate.