Martin, James, author
Prentice-Hall, 1976
Buku Teks
Curtice, Robert M., author
Van Nostrand Reinhold, 1982
Buku Teks
Kruglinski, David, author
McGraw-Hill, 1983
Buku Teks
Hubbard, George U., author
Van Nostrand Reinhold, 1981
Buku Referensi
Neal, Shirley, author
Prentice-Hall, 1986
Buku Teks