Froyen, R. T. (1990). Macroeconomics: Theories and policies (3rd.ed.). Macmillan.
Chicago-čujuhus (17. p.)Froyen, Richard T. Macroeconomics: Theories and Policies. 3rd.ed. New York: Macmillan, 1990.
MLA-čujuhus (9. p.)Froyen, Richard T. Macroeconomics: Theories and Policies. 3rd.ed. Macmillan, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.