Dyfyniad APA

Froyen, R. T. (1990). Macro economics: Theories and policies (3.). Macmillan Publishing Company.

Dyfyniad Arddull Chicago

Froyen, Richard T. Macro Economics: Theories and Policies. 3. New York: Macmillan Publishing Company, 1990.

Dyfyniad MLA

Froyen, Richard T. Macro Economics: Theories and Policies. 3. Macmillan Publishing Company, 1990.

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