LEVY, R. The social structure of islam. University Press.
Chicago Style (17th ed.) ZitazioaLEVY, Reuben. The Social Structure of Islam. Cambridge: University Press.
MLA (9th ed.) ZitazioaLEVY, Reuben. The Social Structure of Islam. University Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.