Rajkumar, Ragunathan
Kluwer, 1991
Buku Teks SO
Cheng, Albert M.K.
Wiley-Interscience, 2002
Buku Teks
Blackman, Maurice
John Wiley & Sons, 1975
Buku Teks SO
Halang, Wolfgang A.
Kluwer Academic Publishers, 1991
Buku Teks SO
edited by Andre M. van Tilborg
Kluwer, 1991
Buku Teks