Cita APA

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

Citación estilo Chicago

Library of Congress. Understanding MARC Authority Records. Washington, DC: Library of Congress, 2009.

Cita MLA

Library of Congress. Understanding MARC Authority Records. Washington, DC: Library of Congress, 2009.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.