APA aipamena

SAMUELSON, P. (1976). Economics Paul Samuelson. McGraw-Hill.

Chicago Style aipamena

SAMUELSON, Paul. Economics Paul Samuelson. McGraw-Hill, 1976.

MLA aipamena

SAMUELSON, Paul. Economics Paul Samuelson. McGraw-Hill, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.