Lua APA (7ú heag.)

Lieb, H. (1888). The protective tariff: What it does to us! (4th and rev. ed.). Belford, Clarke.

Lua i Stíl Chicago (17ú heag.)

Lieb, Hermann. The Protective Tariff: What It Does to Us! 4th and rev. ed. Chicago: Belford, Clarke, 1888.

Lua MLA (8ú heag.)

Lieb, Hermann. The Protective Tariff: What It Does to Us! 4th and rev. ed. Belford, Clarke, 1888.

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