APA

Kochumman C. e. a., . (1974). Pragatakalanam (m). : State Institute of Languages, TVPM.

Chicago

Kochumman C et al, . 1974. Pragatakalanam (m). : State Institute of Languages, TVPM.

Harvard

Kochumman C. e. a., . (1974). Pragatakalanam (m). : State Institute of Languages, TVPM.

MLA

Kochumman C et al, . Pragatakalanam (m). : State Institute of Languages, TVPM. 1974.