Ramakrishnayyar, R. (1974). Polytechnique bhautikam. Institute of languages.
Chicago Style aipamenaRamakrishnayyar, R. Polytechnique Bhautikam. Tvm: Institute of languages, 1974.
MLA aipamenaRamakrishnayyar, R. Polytechnique Bhautikam. Institute of languages, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.