Macroeconomics : principles and tools / Arthur O'Sullivan ; Steven M. Sheffrin. (1992). Upper Saddle River, NJ: Prentice-Hall, c.
Macroeconomics : principles and tools / Arthur O'Sullivan ; Steven M. Sheffrin. . Upper Saddle River, NJ: Prentice-Hall, c, 1992. Buku Wajib.