APA aipamena

Samuelson, P., & Nordhaus, W. (1998). Economics/16e (16th ed.). Tata McGraw Hill.

Chicago Style aipamena

Samuelson, Paul.A, and William.D Nordhaus. Economics/16e. 16th ed. New Delhi: Tata McGraw Hill, 1998.

MLA aipamena

Samuelson, Paul.A, and William.D Nordhaus. Economics/16e. 16th ed. Tata McGraw Hill, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.