含有內容需登入查看的頁面 (link) Abdel-Haleem, Muhammad. The jizya Verse (Q. 9:29): Tax Enforcement on Non-Muslims in the First Muslim State. Journal of Qur'anic Studies
Institution Press. 1995: 421. ISBN 978-0-8157-9513-1. Boulden, Jane. Peaceenforcement: the United Nations experience in Congo, Somalia, and Bosnia. Greenwood
Horner, David. Australia and the New World Order: From Peacekeeping to PeaceEnforcement, 1988-1991 {Series: The Official History of Australian Peacekeeping