Argane, Robert
Restu Agung, 2005
Buku Teks
Morse, Stephen A.
Crest Publishing House, 2001
Buku Teks
by Roger A. Kerin ... [and others]
McGraw-Hill, 2002
Buku Teks
Etzel, Michael J.
McGraw-Hill, 2004
Buku Teks
Kurtz, David L.
The Dryden Press , 1981
Buku Teks