Palmer, R. R. (1959). The age of democratic revolution. Princeton Univ. Press.
Lua i Stíl Chicago (17ú heag.)Palmer, Robert R. The Age of Democratic Revolution. Princeton, NJ: Princeton Univ. Press, 1959.
Lua MLA (8ú heag.)Palmer, Robert R. The Age of Democratic Revolution. Princeton Univ. Press, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.