Cita APA (7th ed.)

Samuelson Paul. (2012). Economics (19th.). Tata McGraw Hill.

Cita Chicago (17th ed.)

Samuelson Paul. Economics. 19th. New Delhi: Tata McGraw Hill, 2012.

Cita MLA (9th ed.)

Samuelson Paul. Economics. 19th. Tata McGraw Hill, 2012.