SELIGMAN, B. B. (1962). Main currents in modern economics economic thought since 1970. Free Press.
Chicago-viite (17. p.)SELIGMAN, Ben B. Main Currents in Modern Economics Economic Thought Since 1970. New York: Free Press, 1962.
MLA-viite (9. p.)SELIGMAN, Ben B. Main Currents in Modern Economics Economic Thought Since 1970. Free Press, 1962.
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