Acovic, D. Orders, Decorations and Medals of Bulgaria.
Chicago-Zitierstil (17. Ausg.)Acovic, D. Orders, Decorations and Medals of Bulgaria. [s.l.].
MLA-Zitierstil (8. Ausg.)Acovic, D. Orders, Decorations and Medals of Bulgaria.
警告：这些引文格式不一定是100％准确.