Rose, John David, author
Authorhouse, 2005
Buku Teks
Grayson, George W., author
Thomson, 2004
Buku Teks
Sennett, Richard, author
Yale University, 2006
Buku Teks
MIller, T. Christian, author
Littel, Brown and Company, 2006
Buku Teks
M. Furqon I. Hanief, author
1990
UI - Tesis (Membership)