APA引文

SAMUELSON, P. A., & NORDHAUS, W. D. (1997). Economics.-- ed.16. McGraw-Hill.

Chicago Style (17th ed.) Citation

SAMUELSON, Paul A., and William D. NORDHAUS. Economics.-- Ed.16. Boston: McGraw-Hill, 1997.

MLA引文

SAMUELSON, Paul A., and William D. NORDHAUS. Economics.-- Ed.16. McGraw-Hill, 1997.