James, Fatzinger
Pearson Education, 2004
Multimedia
Fatzinger, James A. S.
Pearson-Prentice Hall, 2004
Buku Teks SO
International Organizational for Standardization
International Organizational for Standardization, 1999
Buku Teks SO
Wolk, Jahannes van der
Arnoldo Mondadori Arte, 1990
Buku Referensi
Liebing, Ralph W.
John Wiley & Sons, 1999
Buku Teks SO