Kubba, Sam
Buth-Helnemn, 2012
Buku Teks
Gang Da Press, 2011
Buku Referensi
Yudelson, Jerry
McGraw-Hill, 2009
Buku Teks
Hall, Fred
Butterworth-Heinemann, 2003
Buku Teks
Frederick S. Merritt and Jonathan T. Ricketts, editor
McGraw-Hill, Inc, 1994
Buku Referensi