Dyfyniad APA

Diulio, E. A. (1998). Schaum's outline of theory and problems of macroeconomics (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Diulio, Eugene A. Schaum's Outline of Theory and Problems of Macroeconomics. 3rd ed. New York: McGraw-Hill, 1998.

Dyfyniad MLA

Diulio, Eugene A. Schaum's Outline of Theory and Problems of Macroeconomics. 3rd ed. McGraw-Hill, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.