Gill, Gurcharan S., author
Addison-Wesley, 1979
Buku Teks
Barnett, Raymond A., author
Dellen, 1987
Buku Teks
Thomas, George B., author
Addison-Wesley, 1996
Buku Teks
Washington, Allyn J., author
Addison-Wesley, 1966
Buku Teks
Randolph, John F., author
Wadsworth, 1965
Buku Teks