Wells, William D., author
Prentice-Hall, 2000
Buku Teks
Zyman, Sergio, author
John Wiley & Sons, 2002
Buku Teks
Moriarty, Sandra E. (Sandra Ernst), author
Pearson, 2012
Buku Teks
Wells, William D., author
Prentice-Hall, 1988
Buku Teks
Daniel, Pope, author
Basic Books, 1983
Buku Teks