Freeman, Harold Adolph, author
Addison-Wesley, 1963
Buku Teks
Hogg, Robert V., author
Macmillan, 1969
Buku Teks
Dobson, Annette, author
Chapman and Hall, 1983
Buku Teks
Luis Farinas del Cerro, editor
[, Springer-Verlag], 2012
eBooks
Mikusinski, Jan, author
John Wiley & Sons, 1993
Buku Teks