Alsop, S. (1968). The center: People and power in political Washington / by Stewart Alsop. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Alsop, Stewart. The Center: People and Power in Political Washington / by Stewart Alsop. New York [u.a.]: Harper & Row, 1968.
Lua MLA (8ú heag.)Alsop, Stewart. The Center: People and Power in Political Washington / by Stewart Alsop. Harper & Row, 1968.
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