APA-referens

Library of Congress. (2009). Understanding MARC bibliographic. Washington, DC: Library of Congress.

Chicago-stil citat

Library of Congress. Understanding MARC Bibliographic. Washington, DC: Library of Congress, 2009.

MLA-referens

Library of Congress. Understanding MARC Bibliographic. Washington, DC: Library of Congress, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.