Krichene, Noureddine
John Wiley & Sons, 2013
Buku Teks SO
Indonesia National Development Information Office, 1996
Buku Teks SO
Jensen, Michael C.
Praeger, 1972
Buku Teks SO
edited by G. William Schwert, Clifford W. Smith, Jr.
McGraw-Hill, 1992
Buku Teks SO
Fabozzi, Frank J.
Prentice Hall International, 1996
Buku Teks SO