Weber, Ron, author
McGraw-Hill, 1988
Buku Teks
Weber, Ron, author
McGraw-Hill International Book Company, 1982
Buku Teks
Akmal, author
Erlangga, 2010
Buku Teks
Hall. James A, author
Thomson/South-Western, 2005
Buku Teks
Cascarino, Richard, author
John Wiley & Sons, 2007
Buku Teks