David, H. A., & Nair, K. R. (1956). Tables of percentage points of the extreme "studentized" deviate from the sample mean. Biometrika Office, University College.

David, H. A., and K. R. Nair. Tables of Percentage Points of the Extreme "Studentized" Deviate from the Sample Mean. London: Biometrika Office, University College, 1956.

David, H. A., and K. R. Nair. Tables of Percentage Points of the Extreme "Studentized" Deviate from the Sample Mean. Biometrika Office, University College, 1956.