BRUSSEE WARREN. (2004). STATISTICS FOR SIX SIGMA MADE EASY. MCGRAW-HILL.
Cita Chicago (17th ed.)BRUSSEE WARREN. STATISTICS FOR SIX SIGMA MADE EASY. NEW YORK: MCGRAW-HILL, 2004.
Cita MLA (9th ed.)BRUSSEE WARREN. STATISTICS FOR SIX SIGMA MADE EASY. MCGRAW-HILL, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.