APA-referens

Diulio, E. A. (1990). Theory and problems of macroeconomic theory (2.).

Chicago-stil citat

Diulio, Eugene A. Theory and Problems of Macroeconomic Theory. 2. McGraw-Hill Publishing Company Limited, England, 1990.

MLA-referens

Diulio, Eugene A. Theory and Problems of Macroeconomic Theory. 2. 1990.