F. Varese, Protezione ed estorsione, Annuario Kainos 2 (12), 45-66 (Italian translation of: Protection and extortion. Paoli L.(ed.), Handbook of Organized Crime, OUP, pp. 343-358.
F. Varese, Protezione ed estorsione, Annuario Kainos 2 (12), 45-66 (Italian translation of: Protection and extortion. Paoli L.(ed.), Handbook of Organized Crime, OUP, pp. 343-358.