Allen, H. B. 1. (1973). The linguistic atlas of the Upper Midwest, in two volumes. [Minneapolis, Minnesota]: The University of Minnesota Press.
Citación estilo ChicagoAllen, Harold B. 1902-1988. The Linguistic Atlas of the Upper Midwest, in Two Volumes. [Minneapolis, Minnesota]: The University of Minnesota Press, 1973.
Cita MLAAllen, Harold B. 1902-1988. The Linguistic Atlas of the Upper Midwest, in Two Volumes. [Minneapolis, Minnesota]: The University of Minnesota Press, 1973.
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