(1973). Master works of economics. McGraw-Hill.
Chicago-viite (17. p.)Master Works of Economics. New York: McGraw-Hill, 1973.
MLA-viite (9. p.)Master Works of Economics. McGraw-Hill, 1973.
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(1973). Master works of economics. McGraw-Hill.
Chicago-viite (17. p.)Master Works of Economics. New York: McGraw-Hill, 1973.
MLA-viite (9. p.)Master Works of Economics. McGraw-Hill, 1973.