Wilson, W. D. (1875). First principles of political economy, with reference to statesmanship and the progress of civilization. Finch & Apgar.
Lua i Stíl Chicago (17ú heag.)Wilson, W. D. First Principles of Political Economy, with Reference to Statesmanship and the Progress of Civilization. Ithaca: Finch & Apgar, 1875.
Lua MLA (8ú heag.)Wilson, W. D. First Principles of Political Economy, with Reference to Statesmanship and the Progress of Civilization. Finch & Apgar, 1875.
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