Charlesworth, J. C. (1967). Contemporary political analysis. Free Press.
Lua i Stíl Chicago (17ú heag.)Charlesworth, James Clyde. Contemporary Political Analysis. New York: Free Press, 1967.
Lua MLA (9ú heag.)Charlesworth, James Clyde. Contemporary Political Analysis. Free Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.