Aston, C. C. (1982). A contemporary crisis: Political hostage-taking and the experience of Western Europe. Greenwood Press.
Chicago-Zitierstil (17. Ausg.)Aston, Clive C. A Contemporary Crisis: Political Hostage-taking and the Experience of Western Europe. Westport, Connecticut ; London, England: Greenwood Press, 1982.
MLA-Zitierstil (9. Ausg.)Aston, Clive C. A Contemporary Crisis: Political Hostage-taking and the Experience of Western Europe. Greenwood Press, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.