Library of Congress. (1975). The Library of Congress main reading room reference collection subject catalog. Library of Congress.
Style de citation Chicago (17e éd.)Library of Congress. The Library of Congress Main Reading Room Reference Collection Subject Catalog. Washington: Library of Congress, 1975.
Style de citation MLA (9e éd.)Library of Congress. The Library of Congress Main Reading Room Reference Collection Subject Catalog. Library of Congress, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.