Curtis, M. Comparative government and politics: An introductory essay in political science. Harper.
Lua i Stíl Chicago (17ú heag.)Curtis, Michael. Comparative Government and Politics: An Introductory Essay in Political Science. New York: Harper.
Lua MLA (9ú heag.)Curtis, Michael. Comparative Government and Politics: An Introductory Essay in Political Science. Harper.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.