एपीए उद्धरण

George K M. (1977). A Centenary Volume Mahakavi Ulloor. Mahakavi Ulloor Memorial LIbrary.

शिकागो स्टाइल उद्धरण

George K M. A Centenary Volume Mahakavi Ulloor. TVM: Mahakavi Ulloor Memorial LIbrary, 1977.

एमएलए उद्धरण

George K M. A Centenary Volume Mahakavi Ulloor. Mahakavi Ulloor Memorial LIbrary, 1977.