Cita APA (7th ed.)

Peterson, W. L. (1971). Principles of economics micro. Richard D.Irwin.

Cita Chicago (17th ed.)

Peterson, Willis L. Principles of Economics Micro. Homewood: Richard D.Irwin, 1971.

Cita MLA (9th ed.)

Peterson, Willis L. Principles of Economics Micro. Richard D.Irwin, 1971.