APA (7 ম সংস্করণ) উদ্ধৃতি

United States Library of Congress. (1995). Subject headings (18th ed.). Library of Congress, Cataloging Distribution Service.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

United States Library of Congress. Subject Headings. 18th ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1995.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

United States Library of Congress. Subject Headings. 18th ed. Library of Congress, Cataloging Distribution Service, 1995.