Cita APA

Peterson, W. L. (1986). Principles of ecconomics. Universal Book Stall.

Citación estilo Chicago

Peterson, Willis L. Principles of Ecconomics. New Delhi: Universal Book Stall, 1986.

Cita MLA

Peterson, Willis L. Principles of Ecconomics. Universal Book Stall, 1986.

Warning: These citations may not always be 100% accurate.