Bowers, D. (1991). Statistics for economics and business. Macmillan.
Cita Chicago (17th ed.)Bowers, David. Statistics for Economics and Business. Hampshire: Macmillan, 1991.
Cita MLA (9th ed.)Bowers, David. Statistics for Economics and Business. Macmillan, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.