Cita APA (7a ed.)

(1988). Economics Principles And Policy William J. Baumal [et Al.]. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Economics Principles And Policy William J. Baumal [et Al.]. Harcourt Brace Jovanovich, 1988.

Cita MLA (8a ed.)

Economics Principles And Policy William J. Baumal [et Al.]. Harcourt Brace Jovanovich, 1988.