Cleland, David I.
McGraw-Hill, 1983
Buku Teks
Cleland, David I.
McGraw-Hill, 1988
Buku Teks
Cleland, David I.
McGraw-Hill, 1968
Buku Teks
James Cadle, Donald Yeates
Financial Times Prentice Hall, 2001
Buku Teks SO
Lee, Alec M.
Macmillan, 1970
Buku Teks