Library of Congress. Network Development and MARC Standards Office. USMARC format for holdings data: Including guidelines for content designation.
Chicago Style CitationLibrary of Congress. Network Development and MARC Standards Office. USMARC Format for Holdings Data: Including Guidelines for Content Designation.
MLA CitationLibrary of Congress. Network Development and MARC Standards Office. USMARC Format for Holdings Data: Including Guidelines for Content Designation.
Warning: These citations may not always be 100% accurate.