APA

Ummerkutty A. N. P. E., . (1973). India samudram (m). : State Institute of Languages, TVPM.

Chicago

Ummerkutty A N P Ed, . 1973. India samudram (m). : State Institute of Languages, TVPM.

Harvard

Ummerkutty A. N. P. E., . (1973). India samudram (m). : State Institute of Languages, TVPM.

MLA

Ummerkutty A N P Ed, . India samudram (m). : State Institute of Languages, TVPM. 1973.