एपीए उद्धरण

Achuthan, K. Tribal development with special reference to Kerala state. Government of Kerala.

शिकागो स्टाइल उद्धरण

Achuthan, K. Tribal Development with Special Reference to Kerala State. Trivandrum: Government of Kerala.

एमएलए उद्धरण

Achuthan, K. Tribal Development with Special Reference to Kerala State. Government of Kerala.