Cronin, J. F. (1947). Communism, A World Menace. Washington, D.C..
Lua i Stíl Chicago (17ú heag.)Cronin, John F. Communism, A World Menace. Washington, D.C., 1947.
Lua MLA (8ú heag.)Cronin, John F. Communism, A World Menace. Washington, D.C., 1947.
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