Knowlton, E. H. P. 1. (1948). Pepperell's progress; history of a cotton textile company, 1844-1945. Cambridge, Massachusetts: Harvard University Press.
Citación estilo ChicagoKnowlton, Evelyn Hope Puffer 1905-2011. Pepperell's Progress; History of a Cotton Textile Company, 1844-1945. Cambridge, Massachusetts: Harvard University Press, 1948.
Cita MLAKnowlton, Evelyn Hope Puffer 1905-2011. Pepperell's Progress; History of a Cotton Textile Company, 1844-1945. Cambridge, Massachusetts: Harvard University Press, 1948.
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