Encyclopedia of statistical sciences Vol.I
Samuel Kotz, Norman L.. Johnson, editors-in-chief
John Wiley & Sons, Inc, 1982,
 Buku Referensi
Encyclopedia of statistical sciences Vol.III
Samuel Kotz, Norman L. Johnson, editors-in-chief
John Wiley & Sons, Inc., 1982
 Buku Referensi
Encyclopedia of statistical sciences Vol.5
Samuel Kotz, Norman L. Johnson, editor-in-chief
John Wiley & Sons, Inc., 1982
 Buku Referensi
Encyclopedia of statistical sciences Vol.6
Samuel Kotz, Norman L. Johnson, editor-in-chief
John Wiley & Sons, Inc., 1982
 Buku Referensi
Encyclopedia of statistical sciences Vol.7
Samuel Kotz, Norman L. Johnson, editors-in-chief
John Wiley & Sons, Inc., 1982
 Buku Referensi