Samuelson Paul. (2012). Economics (19th.). Tata McGraw Hill.
Cita Chicago Style (17a ed.)Samuelson Paul. Economics. 19th. Tata McGraw Hill, 2012.
Cita MLA (9a ed.)Samuelson Paul. Economics. 19th. Tata McGraw Hill, 2012.
Precaución: Estas citas no son 100% exactas.