De, S. (1992). Sisters. Penguin.
Chicago Style (17th ed.) ZitazioaDe, Shobha. Sisters. New Delhi: Penguin, 1992.
MLA (9th ed.) ZitazioaDe, Shobha. Sisters. Penguin, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
De, S. (1992). Sisters. Penguin.
Chicago Style (17th ed.) ZitazioaDe, Shobha. Sisters. New Delhi: Penguin, 1992.
MLA (9th ed.) ZitazioaDe, Shobha. Sisters. Penguin, 1992.