oleh Ircham Machfoedz ... [et al.]
Fitramaya, 2007
Buku Teks
Thygerson, Alton L., author
Erlangga, 2011
Buku Teks
Smith, Mike, author
Kyle Cathie Limited, 1994
Buku Referensi
Thygerson, Alton L., author
Jones and Bartlett, 1994
Buku Referensi
Moffat, Cameron, author
Dorling Kondsley, 1995
Buku Referensi