Ruggles, N. D., & Ruggles, R. (1970). The design of economic accounts. National Bureau of Economic Research.
Chicago Style aipamenaRuggles, Nancy D., and Richard Ruggles. The Design of Economic Accounts. New York: National Bureau of Economic Research, 1970.
MLA aipamenaRuggles, Nancy D., and Richard Ruggles. The Design of Economic Accounts. National Bureau of Economic Research, 1970.
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