Ravi Irinchayam. (2002). Prayogika vyaakaranam (2nd. ed.). State Institute of Languages.
Chicago Stili AlıntıRavi Irinchayam. Prayogika Vyaakaranam. 2nd. ed. Thiruvananthapuram: State Institute of Languages, 2002.
MLA AlıntıRavi Irinchayam. Prayogika Vyaakaranam. 2nd. ed. State Institute of Languages, 2002.
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