Thompson, S.
Longman Scientific and Technical, 1989
Buku Teks
Addison-Wesley Publishing , 1987
Buku Teks
Dorf, Richard C.
Addison-Wesley, 1981
Buku Teks
Hostetter, Gene H., 1939-
Saunders College Publishing, 1989
Buku Teks
Dorf, Richard C.
Pearson Prentice Hall, 2005
Buku Teks