एपीए उद्धरण

Philip John. (2010). Keralathinte Vainjanika Paramparyavum Vainjanika Sahithyavum. Mahatma Gandhi University Central Cooperative Stores.

शिकागो स्टाइल उद्धरण

Philip John. Keralathinte Vainjanika Paramparyavum Vainjanika Sahithyavum. Kottayam: Mahatma Gandhi University Central Cooperative Stores, 2010.

एमएलए उद्धरण

Philip John. Keralathinte Vainjanika Paramparyavum Vainjanika Sahithyavum. Mahatma Gandhi University Central Cooperative Stores, 2010.