Ministry of Foreign Affairs Netherlands, Communication Division (DVL/VB) ,
Buku Teks
Hahn, Dale B., author
McGraw-Hill, 2002
Buku Teks
Hahn, Dale B.
McGraw-Hill, 2003
Multimedia
Hahn, Dale B., author
McGraw-Hill , 2003
Multimedia
Fitria Yolanda, author
Universitas Indonesia, 2012
UI - Tesis (Open)