एपीए उद्धरण

Rajarajavarma Ezhumattoor. (2011). Bhashayum bharanabhashayum. Kerala Bhasha Institute.

शिकागो स्टाइल उद्धरण

Rajarajavarma Ezhumattoor. Bhashayum Bharanabhashayum. Thiruvananthapuram: Kerala Bhasha Institute, 2011.

एमएलए उद्धरण

Rajarajavarma Ezhumattoor. Bhashayum Bharanabhashayum. Kerala Bhasha Institute, 2011.