Stephens, L. J. (2011). Statistics for engineers. McGraw-Hill Companies.
Cita Chicago (17th ed.)Stephens, Larry J. Statistics for Engineers. New York: McGraw-Hill Companies, 2011.
Cita MLA (9th ed.)Stephens, Larry J. Statistics for Engineers. McGraw-Hill Companies, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.