Sontag, S. (2003). Regarding the pain of others. Penguin Books.
Chicago Style aipamenaSontag, Susan. Regarding the Pain of Others. London: Penguin Books, 2003.
MLA aipamenaSontag, Susan. Regarding the Pain of Others. Penguin Books, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.