Gaya APA

Baumol, W, J., Blinder, A, S. (1986). Economics Principles and Policy -Third Edition . USA: Harcourt Brace Joanovich, Publishrs.

Gaya MLA

Baumol, William, J.., Blinder, Alan, S.. "Economics Principles and Policy -Third Edition". USA: Harcourt Brace Joanovich, Publishrs, 1986. Text.