Subhadra Govindapilla. (1971). Tarkkasastram. State Institute of Languages.
Chicago Style aipamenaSubhadra Govindapilla. Tarkkasastram. Trivandrum: State Institute of Languages, 1971.
MLA aipamenaSubhadra Govindapilla. Tarkkasastram. State Institute of Languages, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.