LEVIN RICHARD I. (2013). STATISTICS FOR MANAGEMENT (7th.). PEARSON.
Cita Chicago (17th ed.)LEVIN RICHARD I. STATISTICS FOR MANAGEMENT. 7th. NOIDA: PEARSON, 2013.
Cita MLA (9th ed.)LEVIN RICHARD I. STATISTICS FOR MANAGEMENT. 7th. PEARSON, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.