Krugman,Paul. (2012). End this depression now! (NA.). W.W.Norton Company.
芝加哥风格引文Krugman,Paul. End This Depression Now! NA. New York: W.W.Norton Company, 2012.
MLA引文Krugman,Paul. End This Depression Now! NA. W.W.Norton Company, 2012.
警告：这些引文格式不一定是100％准确.