Cita APA (7th ed.)
Spencer, M. H. (1977). Contemporary macroeconomics (3rd ed.). Worth Publishing.
Cita Chicago (17th ed.)
Spencer, Milton H. Contemporary Macroeconomics. 3rd ed. New York: Worth Publishing, 1977.
Cita MLA (9th ed.)
Spencer, Milton H. Contemporary Macroeconomics. 3rd ed. Worth Publishing, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.