Robbins, W. G. (1997). Landscapes of promise: The Oregon story, 1800-1940. University of Washington Press.
芝加哥风格引文Robbins, William G. Landscapes of Promise: The Oregon Story, 1800-1940. Seattle: University of Washington Press, 1997.
MLA引文Robbins, William G. Landscapes of Promise: The Oregon Story, 1800-1940. University of Washington Press, 1997.
警告：这些引文格式不一定是100％准确.