APA

Krishnakumar S., . (1975). Cherukida vyavasaya vikasanam keralathil (m). : State Institute of Languages, TVPM.

Chicago

Krishnakumar S, . 1975. Cherukida vyavasaya vikasanam keralathil (m). : State Institute of Languages, TVPM.

Harvard

Krishnakumar S., . (1975). Cherukida vyavasaya vikasanam keralathil (m). : State Institute of Languages, TVPM.

MLA

Krishnakumar S, . Cherukida vyavasaya vikasanam keralathil (m). : State Institute of Languages, TVPM. 1975.