Holm, Sheila, author
Ufuk Press, 2010
Buku Teks
Ashton, Robert, author
Gramedia Pustaka Utama, 2006
Buku Teks
Ashton, Robert, author
Gramedia Pustaka Utama, 2006
Buku Teks
Riaji Hendriyawan, author
2002
UI - Tesis (Membership)
Felicia Triwahyuni, author
2003
UI - Tesis (Membership)