(1980). BUSINESS ECONOMICS: Made Simple. [s.n].
Cita Chicago Style (17a ed.)BUSINESS ECONOMICS: Made Simple. [s.i]: [s.n], 1980.
Cita MLA (9a ed.)BUSINESS ECONOMICS: Made Simple. [s.n], 1980.
Precaución: Estas citas no son 100% exactas.
Cita APA (7a ed.)