Katz, R., & Gopalakrishnan Nair. (1974). Visishta apekshikara siddhantattinu oru amukha pathanam. Institute of languages.
Dyfyniad Arddull ChicagoKatz, Robert, and Gopalakrishnan Nair. Visishta Apekshikara Siddhantattinu Oru Amukha Pathanam. Trivandrum: Institute of languages, 1974.
Dyfyniad MLAKatz, Robert, and Gopalakrishnan Nair. Visishta Apekshikara Siddhantattinu Oru Amukha Pathanam. Institute of languages, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.