Watkins, F. M. (1948). The political tradition of the West: A study in the development of modern liberalism. Harvard Univ. Press.
Lua i Stíl Chicago (17ú heag.)Watkins, Frederic Mundell. The Political Tradition of the West: A Study in the Development of Modern Liberalism. Cambridge: Harvard Univ. Press, 1948.
Lua MLA (9ú heag.)Watkins, Frederic Mundell. The Political Tradition of the West: A Study in the Development of Modern Liberalism. Harvard Univ. Press, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.