Shackelford, James F.
Macmillan Press, 1990
Buku Teks
Shackelford, James F.
Pearson-Prentice Hall, 2005
Buku Teks
Smith, William F.
McGraw-Hill, 1993
Buku Teks
Van Vlack, Lawrence H.
Addison-Wesley, 1970
Buku Teks
Van Vlack, Lawrence H.
Addison-Wesley, 1980
Buku Teks