Pandey, I.M.
Tata McGraw-Hill, 1991
Buku Teks
Philippatos, George C.
Allyn and Bacon, 1991
Buku Teks
Yeager, Fred C.
Reston, 1982
Buku Teks SO
Yeager, Fred C.
Prentice-Hall, 1989
Buku Teks SO
Yeager, Fred C.
Prentice Hall International, 1989
Buku Teks SO