Lua APA (7ú heag.)
Skrabec, Q. R. (2008). William McKinley, apostle of protectionism. Algora Pub..
Lua i Stíl Chicago (17ú heag.)
Skrabec, Quentin R. William McKinley, Apostle of Protectionism. New York: Algora Pub., 2008.
Lua MLA (9ú heag.)
Skrabec, Quentin R. William McKinley, Apostle of Protectionism. Algora Pub., 2008.
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