Mladežkite nacionalno-osvoboditelni organizacii na Makedonskite Bălgari 1919 - 1941 - Gocev, Dimităr G. (Izdat. na Bălgarskata Akad. na Naukite, 1988)
PST: Youth national-liberation organizations of the Macedonian Bulgarians. - In kyrill. Schr., bulg. - Zsfassung in engl. Sprache