Feller, William, author
John Wiley & Sons, 1968
Buku Teks
Feller, William, author
John Wiley & Sons, 1957
Buku Teks
Kyburg, Henry E., author
Prentice-Hall, 1969
Buku Teks
Krickeberg, Klaus, author
Addison-Wesley, 1965
Buku Teks
Beckmann, Petr, author
Harcourt, Brace & World, 1967
Buku Teks