Bulgaria-Rumania boundary
APA Citation
United States. Dept. of State. Office of the Geographer. (1965). Bulgaria-Rumania boundary. [Washington, D.C.]: U.S. Dept. of State, Bureau of Intelligence and Research, issued by the Geographer, Office of Research in Economics and Science.
MLA Citation
United States. Dept. of State. Office of the Geographer. Bulgaria-Rumania Boundary. [Washington, D.C.]: U.S. Dept. of State, Bureau of Intelligence and Research, issued by the Geographer, Office of Research in Economics and Science, 1965.