Singh Ujjwal Kumar. (1998). Political Prisoners in India. U. Pr..
Chicago Style (17th ed.) ZitazioaSingh Ujjwal Kumar. Political Prisoners in India. Oxford: U. Pr., 1998.
MLA (9th ed.) ZitazioaSingh Ujjwal Kumar. Political Prisoners in India. U. Pr., 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.