Verbeke, Geert, author
Springer, 2000
Buku Teks
Christensen, Ronald, author
Springer-Verlag, 1990
Buku Teks
editor, Garrett Fitzmaurice, Marie Davidian, Geert Verbeke, Geert Molenberghs
CRC Press , 2009
Buku Referensi
Jorgensen, Bent, author
Chapman and Hall, 1993
Buku Teks
Gruber, Marvin H. J., 1941, author
Wiley, 2014
Buku Teks