Anderson, Frank Maloy; Hershey, Amos Shartle (1918). "The Bulgarian Revolution of 1885". Handbook for the Diplomatic History of Europe, Asia, and Africa 1870-1914. Washington, DC: National Board for Historical Service, Government Printing Office. m/s. 119–122. Unknown parameter |chapterurl= ignored (bantuan); |access-date= requires |url= (bantuan)
