Bjelopera, J. P. (2005). City of clerks: Office and sales workers in Philadelphia, 1870-1920. University of Illinois Press.
Citace podle Chicago (17th ed.)Bjelopera, Jerome P. City of Clerks: Office and Sales Workers in Philadelphia, 1870-1920. Urbana: University of Illinois Press, 2005.
Citace podle MLA (9th ed.)Bjelopera, Jerome P. City of Clerks: Office and Sales Workers in Philadelphia, 1870-1920. University of Illinois Press, 2005.
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