Clark, James E., author
Houghton Mifflin, 2002
Buku Teks
Papell, David H., author
Houghton Mifflin, 2001
Buku Teks
Clark, James E., author
Houhton Mifflin, 2002
Buku Teks
DeLong, J. Bradford, author
McGraw-Hill, 2002
Buku Teks
Frank, Robert H., author
McGraw-Hill/Irwin, 2004
Buku Teks