APA

Kurup O. N. V., . (2001). O N V yude kavithakal 1959-2000 (m). : D C Boos Kottayam.

Chicago

Kurup O N V, . 2001. O N V yude kavithakal 1959-2000 (m). : D C Boos Kottayam.

Harvard

Kurup O. N. V., . (2001). O N V yude kavithakal 1959-2000 (m). : D C Boos Kottayam.

MLA

Kurup O N V, . O N V yude kavithakal 1959-2000 (m). : D C Boos Kottayam. 2001.