Cita APA (7th ed.)
Kohler, H. (1992). Macroeconomics. D.C. Heath.
Cita Chicago (17th ed.)
Kohler, Heinz. Macroeconomics. Lexington, Mass.: D.C. Heath, 1992.
Cita MLA (9th ed.)
Kohler, Heinz. Macroeconomics. D.C. Heath, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.