Byrns, R. (1987). Economics (3rd ed.). Scott,Foresman.
Citación estilo ChicagoByrns, Ralph. Economics. 3rd ed. Illinois: Scott,Foresman, 1987.
Cita MLAByrns, Ralph. Economics. 3rd ed. Scott,Foresman, 1987.
Warning: These citations may not always be 100% accurate.