Library of Congress. (1939). Annual report of the Librarian of Congress for the fiscal year ended . ([Departmental ed.].). U.S. G.P.O..
Chicago-стиль цитированияLibrary of Congress. Annual Report of the Librarian of Congress for the Fiscal Year Ended . [Departmental ed.]. Washington: U.S. G.P.O., 1939.
MLA-цитированиеLibrary of Congress. Annual Report of the Librarian of Congress for the Fiscal Year Ended . [Departmental ed.]. U.S. G.P.O., 1939.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.