Brick, G. A. (2009). Subterranean twin cities. University of Minnesota Press.
芝加哥风格引文Brick, Greg A. Subterranean Twin Cities. Minneapolis: University of Minnesota Press, 2009.
MLA引文Brick, Greg A. Subterranean Twin Cities. University of Minnesota Press, 2009.
警告：这些引文格式不一定是100％准确.