Wingerd, M. L., & Delegard, K. (2010). North country: The making of Minnesota. University of Minnesota Press.
芝加哥风格引文Wingerd, Mary Lethert, 与 Kirsten Delegard. North Country: The Making of Minnesota. Minneapolis: University of Minnesota Press, 2010.
MLA引文Wingerd, Mary Lethert, 与 Kirsten Delegard. North Country: The Making of Minnesota. University of Minnesota Press, 2010.
警告：这些引文格式不一定是100％准确.