United States. Library of Congress. Network Development and MARC Standards Office & MARC formats for bibliographic data. (1984). USMARC format for holdings and locations. Library of Congress.
Cita Chicago Style (17a ed.)United States. Library of Congress. Network Development and MARC Standards Office y MARC formats for bibliographic data. USMARC Format for Holdings and Locations. Washinton: Library of Congress, 1984.
Cita MLA (9a ed.)United States. Library of Congress. Network Development and MARC Standards Office y MARC formats for bibliographic data. USMARC Format for Holdings and Locations. Library of Congress, 1984.
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