ebrary, Inc, National Bureau of Economic Research Conference on Business Cycles, & Gordon, R. J. (1990). The American business cycle: Continuity and change (Pbk. ed.). University of Chicago Press.
芝加哥风格引文ebrary, Inc, National Bureau of Economic Research Conference on Business Cycles, 与 Robert J. Gordon. The American Business Cycle: Continuity and Change. Pbk. ed. Chicago: University of Chicago Press, 1990.
MLA引文ebrary, Inc, et al. The American Business Cycle: Continuity and Change. Pbk. ed. University of Chicago Press, 1990.
警告：这些引文格式不一定是100％准确.