Mayer, A. J. (1975). The lower middle class as historical problem. The journal of modern history. - publ. in co-operation with the Modern European History Section of the American Historical Association.
Styl cytowania ChicagoMayer, Arno J. "The Lower Middle Class as Historical Problem." The Journal of Modern History. - Publ. in Co-operation with the Modern European History Section of the American Historical Association 1975.
Styl cytowania MLAMayer, Arno J. "The Lower Middle Class as Historical Problem." The Journal of Modern History. - Publ. in Co-operation with the Modern European History Section of the American Historical Association, 1975.
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