APA (7 ম সংস্করণ) উদ্ধৃতি

Library of Congress & Subjet Cataloging Division. (2007). Library of Congress Subject Headings (30th ed.). The National Bibliographic Service.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Library of Congress এবং Subjet Cataloging Division. Library of Congress Subject Headings. 30th ed. Washington: The National Bibliographic Service, 2007.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Library of Congress এবং Subjet Cataloging Division. Library of Congress Subject Headings. 30th ed. The National Bibliographic Service, 2007.