Luftman, Jerry N.
Pearson Education, 2004
Buku Teks SO
edited by Andrea M. Morrison
[American Management Association, ], 2008
eBooks
Haag, Stephen
McGraw-Hill, 2004
Buku Teks
Haag, Stephen
Irwin, McGraw-Hill, 1998
Buku Referensi
Haag, Stephen
2004
Multimedia