Jennings, Dean, author
Ulverscroft, 1967
Buku Teks
RM Tenorio Triananda, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)
Pande Ketut Raka Susena Hartana
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)
Bryson, Bill, author
Broadway Books, 2006
Buku Teks
Siegel, David D.
St.Paul Minn., 1982
Buku Teks