Barnett, V., & Lewis, T. (1994). Outliers in statistical data/ Vic Barnett and Toby Lewis (3rd ed.). Wiley.
Cita Chicago (17th ed.)Barnett, Vic, i Toby Lewis. Outliers in Statistical Data/ Vic Barnett and Toby Lewis. 3rd ed. Chichester: Wiley, 1994.
Cita MLA (9th ed.)Barnett, Vic, i Toby Lewis. Outliers in Statistical Data/ Vic Barnett and Toby Lewis. 3rd ed. Wiley, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.