Grangen, Clive William John, 1934-
Academic Press, 1989
Buku Teks SO
Arya, Jagdish C.
Prentice-Hall, 1981
Buku Teks SO
Kazmier, Leonard J.
McGraw-Hill, 1967
Buku Teks SO
Meier, Robert C.
Prentice-Hall, 1969
Buku Teks SO
Betts, R.J.
McGraw-Hill , 1980
Buku Teks