1 | Laws | Lawson, Kay. The human polity [Текст] : A comparative introduction to political science / Kay Lawson. — 4th ed. — Boston, New York : Houghton Mifflin, 1997. — 11,580 p. : ill.. — (U.S.Geological survey circular. — Washington, 2000. — N 1178). |
| ISBN 0-395-74356-7 | |
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