Dyfyniad APA

American Protective Tariff League. (1889). American economist. American Protective Tariff League.

Dyfyniad Arddull Chicago

American Protective Tariff League. American Economist. New York: American Protective Tariff League, 1889.

Dyfyniad MLA

American Protective Tariff League. American Economist. American Protective Tariff League, 1889.

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