Lua APA (7ú heag.)
Rodgers, D. T. (1979). The work ethic in industrial America, 1850-1920. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)
Rodgers, Daniel T. The Work Ethic in Industrial America, 1850-1920. Chicago: University of Chicago Press, 1979.
Lua MLA (9ú heag.)
Rodgers, Daniel T. The Work Ethic in Industrial America, 1850-1920. University of Chicago Press, 1979.
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