Katz, R., & Gopalakrishnan Nair. (1974). Visishta apekshikara siddhantattinu oru amukha pathanam. Institute of languages.
Παραπομπή Chicago StyleKatz, Robert, και Gopalakrishnan Nair. Visishta Apekshikara Siddhantattinu Oru Amukha Pathanam. Trivandrum: Institute of languages, 1974.
Παραπομπή MLAKatz, Robert, και Gopalakrishnan Nair. Visishta Apekshikara Siddhantattinu Oru Amukha Pathanam. Institute of languages, 1974.
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