The civil aviation law of Bulgaria

MLA

Sipkov, Ivan and Library of Congress. The civil aviation law of Bulgaria. [Washington, D.C.] : Law Library, Library of Congress, 1976.

APA

Sipkov, I. & Library of Congress. (1976). The civil aviation law of Bulgaria. [Washington, D.C.] : Law Library, Library of Congress.

Chicago

Sipkov, Ivan and Library of Congress. The civil aviation law of Bulgaria. [Washington, D.C.] : Law Library, Library of Congress, 1976.