Merriam, C. E. (1939). Prologue to politics. The University of Chicago press.
Lua i Stíl Chicago (17ú heag.)Merriam, Charles Edward. Prologue to Politics. Chicago, Ill: The University of Chicago press, 1939.
Lua MLA (9ú heag.)Merriam, Charles Edward. Prologue to Politics. The University of Chicago press, 1939.
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