APA-referens (7:e uppl.)
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.
Chicago-referens (17:e uppl.)
ebrary, Inc, National Bureau of Economic Research Conference on Business Cycles, och Robert J. Gordon. The American Business Cycle: Continuity and Change. Pbk. ed. Chicago: University of Chicago Press, 1990.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. The American Business Cycle: Continuity and Change. Pbk. ed. University of Chicago Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.