Mathai, A.M., author
John Wiley & Sons, 1978
Buku Teks
Hays, William L. (William Lee), 1926-1995, author
Holt, Rinehart and Winston, 1971
Buku Teks
Anderson, Theodore R.
Holt, Rinehart, 1968
Buku Teks
Wasserman, Larry, author
Springer, 2010
Buku Teks
Wine, R. Lowell
Prentice Hall of India, 1966
Buku Teks