Lewis, Bernard, author
Gramedia Pustaka Utama, 1994
Buku Teks
Anwar Harjono, author
Gema Insani Press, 1995
Buku Teks
Al Barry, Zakariya Ahmad
Bulan Bintang, 1977
Buku Teks
Abdurrahman Wahid, 1940 - 2009, author
The Wahid Institute, 2006
Buku Teks
Chebel, Malek, author
Editions Assouline, 1997
Buku Referensi