Dale, Margaret, author
Kogan Page Limited, 2003
Buku Teks
Cook, Mark, author
Wiley-Blackwell, 2009
Buku Teks
Gatewood, Robert D.
The Dryden Press, 1990
Buku Teks
Klinvex, Kevin C.
McGraw-Hill , 1999
Buku Teks
Ida Budiarty, author
1996
UI - Tesis (Membership)