Karthikeyan, S. (1974). Usha: Pooja.
Chicago Style aipamenaKarthikeyan, Shornoor. Usha: Pooja. 1974.
MLA aipamenaKarthikeyan, Shornoor. Usha: Pooja. 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Karthikeyan, S. (1974). Usha: Pooja.
Chicago Style aipamenaKarthikeyan, Shornoor. Usha: Pooja. 1974.
MLA aipamenaKarthikeyan, Shornoor. Usha: Pooja. 1974.