Lua APA (7ú heag.)

Library of Congress & Subjet Cataloging Division. (1999). Library of Congress Subject Headings (21st. ed.). The National Bibliographic Service.

Lua i Stíl Chicago (17ú heag.)

Library of Congress agus Subjet Cataloging Division. Library of Congress Subject Headings. 21st. ed. Washington: The National Bibliographic Service, 1999.

Lua MLA (9ú heag.)

Library of Congress agus Subjet Cataloging Division. Library of Congress Subject Headings. 21st. ed. The National Bibliographic Service, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.