Houghton, D. P. (2001). US foreign policy and the Iran hostage crisis. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Houghton, David Patrick. US Foreign Policy and the Iran Hostage Crisis. Cambridge: Cambridge University Press, 2001.
Lua MLA (9ú heag.)Houghton, David Patrick. US Foreign Policy and the Iran Hostage Crisis. Cambridge University Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.