Hernowo, author
Kaifa, 2005
Buku Teks
Teddy Indira Budiwan, author
Universitas Indonesia, 2002
UI - Skripsi Membership
Jennings, Paul, author
Mizan Learning Center, 2006
Buku Teks
Hernowo, author
Kaifa,, 2005
Buku Teks
Ira Hermosa, author
2002
UI - Skripsi Membership