by Lawrence Snyder, Leah H. Jamieson, Dennis B. Gannon and Howard Siege
Academic Press, 1985
Buku Teks SO
IOS, 1989
Buku Teks SO
Morse, Stephen A.
Prentice-Hall, 1998
Buku Teks SO
Choudhary, Alok Nidhi, 1961
Kluwer, 1990
Buku Teks SO
Bechtel, William
Blackwell, 1993
Buku Teks SO