Gross, F. (1948). European ideologies: A survey of 20th century political ideas. Philosophical Library.
Lua i Stíl Chicago (17ú heag.)Gross, Feliks. European Ideologies: A Survey of 20th Century Political Ideas. New York: Philosophical Library, 1948.
Lua MLA (9ú heag.)Gross, Feliks. European Ideologies: A Survey of 20th Century Political Ideas. Philosophical Library, 1948.
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