Picconi, M. J., & Romano, A. (1993). Business statistics: Elements and applications. Harper Collins.
Cita Chicago (17th ed.)Picconi, Mario J., i Albert Romano. Business Statistics: Elements and Applications. New York: Harper Collins, 1993.
Cita MLA (9th ed.)Picconi, Mario J., i Albert Romano. Business Statistics: Elements and Applications. Harper Collins, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.