Cita APA (7th ed.)

Samulson Paul. (2010). Economics (19th.). Tata Mcgraw Hill.

Cita Chicago (17th ed.)

Samulson Paul. Economics. 19th. New Delhi: Tata Mcgraw Hill, 2010.

Cita MLA (9th ed.)

Samulson Paul. Economics. 19th. Tata Mcgraw Hill, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.