Zoffer, G. R. (1980). Economic Sanity or Collapse: Including the Roman-loebl approach to economics. McGraw-Hill.
Citace podle Chicago (17th ed.)Zoffer, Gerald R. Economic Sanity or Collapse: Including the Roman-loebl Approach to Economics. New York: McGraw-Hill, 1980.
Citace podle MLA (9th ed.)Zoffer, Gerald R. Economic Sanity or Collapse: Including the Roman-loebl Approach to Economics. McGraw-Hill, 1980.
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