Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2005). Library of Congress classification. G. Geography, Maps, Anthropology, Recreation (2005 ed.). Library of Congress, Cataloging Distribution Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLibrary of Congress এবং Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. G. Geography, Maps, Anthropology, Recreation. 2005 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2005.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিLibrary of Congress এবং Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. G. Geography, Maps, Anthropology, Recreation. 2005 ed. Library of Congress, Cataloging Distribution Service, 2005.