Issawi, Charles, author
Oxford University Press, 1964
Buku Teks SO
Supriyanto, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2003
UI - Tesis Membership
Zainab Al-Khudhairi
Pustaka , 1987
Buku Teks
Ahmad Chaidir, author
Universitas Indonesia, 1989
UI - Skripsi Membership
Al-Hufi, Ahmad Muhammad, author
Maktabat Nahdat , 1921
Buku Teks