Cita APA (7th ed.)
The Economist Numbers Guide: The Essentials of Business Numeracy. Wiley.
Cita Chicago (17th ed.)
The Economist Numbers Guide: The Essentials of Business Numeracy. Nueva York, EUA: Wiley.
Cita MLA (9th ed.)
The Economist Numbers Guide: The Essentials of Business Numeracy. Wiley.
Atenció: Aquestes cites poden no estar 100% correctes.