Cita APA

SAMUELSON, P. A., & DONORHAUS, W. D. (1985). Economics.-- ed.12. McGraw-hill.

Citación estilo Chicago

SAMUELSON, Paul A., and William D. DONORHAUS. Economics.-- Ed.12. New York: McGraw-hill, 1985.

Cita MLA

SAMUELSON, Paul A., and William D. DONORHAUS. Economics.-- Ed.12. McGraw-hill, 1985.