Walker, A. (1873). The science of wealth: A manual of political economy, embracing the laws of trade, currency and finance (2d ed.). J.B. Lippincott.
Citace podle Chicago (17th ed.)Walker, Amasa. The Science of Wealth: A Manual of Political Economy, Embracing the Laws of Trade, Currency and Finance. 2d ed. Philadelphia: J.B. Lippincott, 1873.
Citace podle MLA (8th ed.)Walker, Amasa. The Science of Wealth: A Manual of Political Economy, Embracing the Laws of Trade, Currency and Finance. 2d ed. J.B. Lippincott, 1873.
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