Intercollegiate Studies Institute, Foundation for Foreign Affairs, & Kirk, R. (1957). Modern age. Foundation for Foreign Affairs.
Lua i Stíl Chicago (17ú heag.)Intercollegiate Studies Institute, Foundation for Foreign Affairs, agus Russell Kirk. Modern Age. Chicago, Ill.: Foundation for Foreign Affairs, 1957.
Lua MLA (9ú heag.)Intercollegiate Studies Institute, et al. Modern Age. Foundation for Foreign Affairs, 1957.
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