Barnett, V., & Lewis, T. [ca. 1978]. Outliers in statistical data. In Wiley series in probability and mathematical statistics [Book]. Chichester [u.a.]: Wiley.

BARNETT, Vic und LEWIS, Toby, 1978. Outliers in statistical data. Chichester [u.a.]: Wiley. ISBN 0471995991.

Barnett, V., und T. Lewis. „Outliers in statistical data“. Wiley series in probability and mathematical statistics, book, Wiley, 1978.

Barnett, Vic/Lewis, Toby: Outliers in statistical data, Chichester [u.a.] 1978.

Barnett, V. und Lewis, T. (1978), Outliers in statistical data, Wiley series in probability and mathematical statistics, Bd. , Wiley, Chichester [u.a.].