Ovarman, R., & Nayar, K. P. (1975). Anukendra rasa tantrattinte atisthana sankalpanannal. State Institute of Languages.
Chicago Style aipamenaOvarman, Ralfty, and K Prabhakaran Nayar. Anukendra Rasa Tantrattinte Atisthana Sankalpanannal. Trivandrum: State Institute of Languages, 1975.
MLA aipamenaOvarman, Ralfty, and K Prabhakaran Nayar. Anukendra Rasa Tantrattinte Atisthana Sankalpanannal. State Institute of Languages, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.