Cita APA (7a ed.)

Peterson, W. L. (1983). Principles of economics: Macro. R.D. Irwin.

Cita Chicago Style (17a ed.)

Peterson, Willis L. Principles of Economics: Macro. Homewood, Ill: R.D. Irwin, 1983.

Cita MLA (9a ed.)

Peterson, Willis L. Principles of Economics: Macro. R.D. Irwin, 1983.