Ummarkutty, A. N. P., & Namputirippatu, V. M. N. (1975). Jantu sastra vargeekarana tatvangal. State Institute of Languages.
Dyfyniad Arddull ChicagoUmmarkutty, A N P., and V M N. Namputirippatu. Jantu Sastra Vargeekarana Tatvangal. Trivandrum: State Institute of Languages, 1975.
Dyfyniad MLAUmmarkutty, A N P., and V M N. Namputirippatu. Jantu Sastra Vargeekarana Tatvangal. State Institute of Languages, 1975.
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