edited by Andrew Heritage
Dorling Kindersley, 2000
Buku Referensi
Spencer, Peter
Churchill livingstone , 1998
Buku Teks
Sunarsi Awaloedin, author
Universitas Indonesia, 2002
UI - Tesis (Membership)
Ichwanul Fitri, author
Universitas Indonesia, 2003
UI - Tesis (Membership)
Herwin Hasan, author
Universitas Indonesia, 2002
UI - Tesis (Membership)