Cita APA (7th ed.)

Samuelson, P. A. (1995). Economics. McGraw-Hill.

Cita Chicago (17th ed.)

Samuelson, Paul A. Economics. New York: McGraw-Hill, 1995.

Cita MLA (9th ed.)

Samuelson, Paul A. Economics. McGraw-Hill, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.