Library of Congress, Library of Congress. Cataloging Policy and Support Office, & Goldberg, J. E. (2001). Library of Congress classification (2000 edition.). Library of Congress, Cataloging Distribution Service.
Lua i Stíl Chicago (17ú heag.)Library of Congress, Library of Congress. Cataloging Policy and Support Office, agus Jolande E. Goldberg. Library of Congress Classification. 2000 edition. Washington, D.C.: Library of Congress, Cataloging Distribution Service, 2001.
Lua MLA (8ú heag.)Library of Congress, et al. Library of Congress Classification. 2000 edition. Library of Congress, Cataloging Distribution Service, 2001.
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