L., C., R.(1987).Kidnap, hijack and extortion : The Response / Richard Clutterbuck; foreward by Sir Robert Mark .London:Macmillan.
Gaya MLA
Clutterbuck, Richard, L.."Kidnap, hijack and extortion : The Response / Richard Clutterbuck; foreward by Sir Robert Mark".London:Macmillan,1987.Textbook.