APA-čujuhus (7. p.)
Peterson, F. W. (2008). Homes in the heartland: Balloon frame farmhouses of the upper Midwest. University of Minnesota Press.
Chicago-čujuhus (17. p.)
Peterson, Fred W. Homes in the Heartland: Balloon Frame Farmhouses of the Upper Midwest. Minneapolis: University of Minnesota Press, 2008.
MLA-čujuhus (9. p.)
Peterson, Fred W. Homes in the Heartland: Balloon Frame Farmhouses of the Upper Midwest. University of Minnesota Press, 2008.
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