एपीए उद्धरण

Narayanakuruppu,P. (2007). Thanathu kavitha thanathu nadakam. Kerala Bhasha Institute.

शिकागो स्टाइल उद्धरण

Narayanakuruppu,P. Thanathu Kavitha Thanathu Nadakam. Thiruvanathapuram: Kerala Bhasha Institute, 2007.

एमएलए उद्धरण

Narayanakuruppu,P. Thanathu Kavitha Thanathu Nadakam. Kerala Bhasha Institute, 2007.