Ramakrishnan, K. (1982). Atisthana hydraulikam. State Istitute of Languages.
Chicago Style aipamenaRamakrishnan, K. Atisthana Hydraulikam. Trivandrum: State Istitute of Languages, 1982.
MLA aipamenaRamakrishnan, K. Atisthana Hydraulikam. State Istitute of Languages, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.