United States & Bulgaria. (2013). Nuclear safety: Arrangement between the United States of America and Bulgaria, signed at Rockville and Sofia, November 21, 2011 and January 10, 2012, with addenda. United States Department of State.
Chicago Style (17th ed.) CitationUnited States and Bulgaria. Nuclear Safety: Arrangement Between the United States of America and Bulgaria, Signed at Rockville and Sofia, November 21, 2011 and January 10, 2012, with Addenda. [Washington, D.C.]: United States Department of State, 2013.
MLA (9th ed.) CitationUnited States and Bulgaria. Nuclear Safety: Arrangement Between the United States of America and Bulgaria, Signed at Rockville and Sofia, November 21, 2011 and January 10, 2012, with Addenda. United States Department of State, 2013.
Warning: These citations may not always be 100% accurate.