Cita APA

Peterson, W. L. (1986). Principles of economics: Micro (6th ed.). Universal Book Stall.

Chicago Edition Citation

Peterson, Willis L. Principles of Economics: Micro. 6th ed. New Delhi: Universal Book Stall, 1986.

Cita MLA

Peterson, Willis L. Principles of Economics: Micro. 6th ed. Universal Book Stall, 1986.