APA
ECONOMIC RESEARCH (National bureau of-), ECONOMIC RESEARCH (National bureau of-), . (1962). Tested knowledge of business cycles. New York: National Bureau of economic research.
Chicago
ECONOMIC RESEARCH (National bureau of-), ECONOMIC RESEARCH (National bureau of-), . 1962. Tested knowledge of business cycles. New York: National Bureau of economic research.
Harvard
ECONOMIC RESEARCH (National bureau of-), ECONOMIC RESEARCH (National bureau of-), . (1962). Tested knowledge of business cycles. New York: National Bureau of economic research.
MLA
ECONOMIC RESEARCH (National bureau of-), ECONOMIC RESEARCH (National bureau of-), . Tested knowledge of business cycles. New York: National Bureau of economic research. 1962.
