APA aipamena

SAMUELSON, P. A. (1973). Economics Paul A. Samuelson And William D. Nordhaus. McGraw-Hill.

Chicago Style aipamena

SAMUELSON, Paul A. Economics Paul A. Samuelson And William D. Nordhaus. McGraw-Hill, 1973.

MLA aipamena

SAMUELSON, Paul A. Economics Paul A. Samuelson And William D. Nordhaus. McGraw-Hill, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.