U. S. Library of Congress. Descriptive Cataloging Division. (1947). Rules for descriptive cataloging in the library of Congress (Prelim. ed.). U.S. Govt. Print. Off.
Chicago Style aipamenaU. S. Library of Congress. Descriptive Cataloging Division. Rules for Descriptive Cataloging in the Library of Congress. Prelim. ed. Washington: U.S. Govt. Print. Off, 1947.
MLA aipamenaU. S. Library of Congress. Descriptive Cataloging Division. Rules for Descriptive Cataloging in the Library of Congress. Prelim. ed. U.S. Govt. Print. Off, 1947.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.