Hosford, William F., author
Cambridge university press, 2008
Buku Teks
Mamlouk, Michael S., author
Pearson Prentice Hall, 2006
Buku Teks
Van Vlack, Lawrence H., author
Addison-Wesley, 1970
Buku Teks
Doyle, Lawrence E., author
Prentice-Hall, 1961
Buku Teks
Shackelford, James F., author
Macmillan Press, 1990
Buku Teks