Powell, E. A. (1922). Asia at the crossroads: Japan, Korea, China, Philippines. Century Co.
芝加哥风格引文Powell, Edward Alexander. Asia at the Crossroads: Japan, Korea, China, Philippines. New York: Century Co, 1922.
MLA引文Powell, Edward Alexander. Asia at the Crossroads: Japan, Korea, China, Philippines. Century Co, 1922.
警告：这些引文格式不一定是100％准确.