Rogers, H. J. (1906). Economics ; Politics ; Jurisprudence ; Social science. Houghton, Mifflin and Co..
Lua i Stíl Chicago (17ú heag.)Rogers, Howard J. Economics ; Politics ; Jurisprudence ; Social Science. Boston ; New York: Houghton, Mifflin and Co., 1906.
Lua MLA (8ú heag.)Rogers, Howard J. Economics ; Politics ; Jurisprudence ; Social Science. Houghton, Mifflin and Co., 1906.
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