KARIEL, H. S. (1966). The Promise of politics. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)KARIEL, Henry S. The Promise of Politics. Englewood cliffs, N.J.: Prentice-Hall, 1966.
Lua MLA (9ú heag.)KARIEL, Henry S. The Promise of Politics. Prentice-Hall, 1966.
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