Adler, M. J., & Wolff, P. The development of political theory and government.
Lua i Stíl Chicago (17ú heag.)Adler, Mortimer J., agus Peter Wolff. The Development of Political Theory and Government.
Lua MLA (8ú heag.)Adler, Mortimer J., agus Peter Wolff. The Development of Political Theory and Government.
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