Krugamam. (1999). The Return of depuession economics. Penguin.
芝加哥风格引文Krugamam. The Return of Depuession Economics. New delhi: Penguin, 1999.
MLA引文Krugamam. The Return of Depuession Economics. Penguin, 1999.
警告：这些引文格式不一定是100％准确.
APA引文