Dyfyniad APA
Gwartney,James D, & Stroup,Richard L. (1987). Macroeconomics: Private and public choice (4th ed.). HBJ.
Dyfyniad Arddull Chicago
Gwartney,James D, and Stroup,Richard L. Macroeconomics: Private and Public Choice. 4th ed. San Diego: HBJ, 1987.
Dyfyniad MLA
Gwartney,James D, and Stroup,Richard L. Macroeconomics: Private and Public Choice. 4th ed. HBJ, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.