Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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