Cita APA (7th ed.)
McConnell, C. R. (1984). Economics: Principles,problems, and policies (7th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
McConnell, Campell R. Economics: Principles,problems, and Policies. 7th ed. New York: McGraw-Hill, 1984.
Cita MLA (9th ed.)
McConnell, Campell R. Economics: Principles,problems, and Policies. 7th ed. McGraw-Hill, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.