Ali, S. (1990). Slums within slums: A study of resettlement. Vikas.
Chicago Style (17th ed.) ZitazioaAli, Sabir. Slums Within Slums: A Study of Resettlement. New Delhi: Vikas, 1990.
MLA (9th ed.) ZitazioaAli, Sabir. Slums Within Slums: A Study of Resettlement. Vikas, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.