Kline, Raymond M.
Prentice-Hall, 1977
Buku Teks SO
Bywater, R.E.H.
Prentice-Hall, 1981
Buku Teks SO
Kline, Raymond M.
Prentice-Hall, 1983
Buku Teks SO
Garside, R.G.
Clarendon Press, 1980
Buku Teks SO
Alcosser, Edward
Hayden Book Company, 1967
Buku Teks