Ross, Shepley L., author
McGraw-Hill, 1984
Buku Teks
Ross, Shepley L., author
Xerox College Publishing, 1964
Buku Teks
Hairer, E. (Ernst), author
Springer, 2009
Buku Teks
Tierney, John A.
Allyn and Bacon, 1979
Buku Teks
Boyce, William E., author
John Wiley & Sons, 1977
Buku Teks