APA-viite (7. p.)
Spencer, M. H. (1977). Contemporary macroeconomics (3rd ed.). Worth Publishing.
Chicago-viite (17. p.)
Spencer, Milton H. Contemporary Macroeconomics. 3rd ed. New York: Worth Publishing, 1977.
MLA-viite (9. p.)
Spencer, Milton H. Contemporary Macroeconomics. 3rd ed. Worth Publishing, 1977.
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