APA ציטוט

Paul A Samuelson William D Nordhaus. (1995). Economics (15 th.). Mc.Graw-Hill.

Chicago Edition Citation

Paul A Samuelson William D Nordhaus. Economics. 15 th. New York: Mc.Graw-Hill, 1995.

ציטוט MLA

Paul A Samuelson William D Nordhaus. Economics. 15 th. Mc.Graw-Hill, 1995.