Gaya APA

Wykoff, F, C. (1981). Macroeconomics theory, evidence and policy (2nd ed.). Englewood Cliffs, NJ: Prentice-Hall.

Gaya MLA

Wykoff, Frank, C.. "Macroeconomics theory, evidence and policy". 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, 1981. Text.