Não informado. (1978). Cataloging Service Bulletin. Library of Congress, Processing Service.
Style de citation Chicago (17e éd.)Não informado. Cataloging Service Bulletin. Washington: Library of Congress, Processing Service, 1978.
Style de citation MLA (8e éd.)Não informado. Cataloging Service Bulletin. Library of Congress, Processing Service, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.