Wiseman, H. (1967). Political Systems Some Sociological Approachcs H.v. Wiseman. Frederick A. Praeger.
Lua i Stíl Chicago (17ú heag.)Wiseman, H.V. Political Systems Some Sociological Approachcs H.v. Wiseman. Frederick A. Praeger, 1967.
Lua MLA (8ú heag.)Wiseman, H.V. Political Systems Some Sociological Approachcs H.v. Wiseman. Frederick A. Praeger, 1967.
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