British Library. Oriental and India Office Collections. (2008). British intelligence on the North-West Frontier, 1901-1949: India Office political and secret reports on tribes and terrorism. IDC Publishers.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)British Library. Oriental and India Office Collections. British Intelligence on the North-West Frontier, 1901-1949: India Office Political and Secret Reports on Tribes and Terrorism. Leiden, The Netherlands: IDC Publishers, 2008.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)British Library. Oriental and India Office Collections. British Intelligence on the North-West Frontier, 1901-1949: India Office Political and Secret Reports on Tribes and Terrorism. IDC Publishers, 2008.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.