Samuelson, P. (2018). Economics (19th.). McGraw Hill.
Cita Chicago Style (17a ed.)Samuelson, Paul. Economics. 19th. McGraw Hill, 2018.
Cita MLA (9a ed.)Samuelson, Paul. Economics. 19th. McGraw Hill, 2018.
Precaución: Estas citas no son 100% exactas.