Mostaedi, Arian
Carlos Boto & Josep M. Minguet, 2002
Buku Teks SO
by Jack Wiles ... [and others]
Elsevier, 2012
Buku Teks SO
Haag, Stephen
McGraw-Hill, 2004
Buku Teks
Haag, Stephen
Irwin, McGraw-Hill, 1998
Buku Referensi
Haag, Stephen
2004
Multimedia