APA aipamena

Narayaqnan, k. k., & geevarghese Salim, D. (1974). Avrtha beejikalude roopavijnanam. State Institute of Languages.

Chicago Style aipamena

Narayaqnan, k k., and D. geevarghese Salim. Avrtha Beejikalude Roopavijnanam. Trivndrum: State Institute of Languages, 1974.

MLA aipamena

Narayaqnan, k k., and D. geevarghese Salim. Avrtha Beejikalude Roopavijnanam. State Institute of Languages, 1974.