Cita APA (7th ed.)

PETERSON, W. L. (1979). Principles of economics micro. Richard D. Irwin.

Cita Chicago (17th ed.)

PETERSON, Willis L. Principles of Economics Micro. Homewood: Richard D. Irwin, 1979.

Cita MLA (9th ed.)

PETERSON, Willis L. Principles of Economics Micro. Richard D. Irwin, 1979.