Holt, B. P., Long, A. B., & McCallum, S. H. (1987). UNIMARC Manual. International Federation of Library Associations and Institutions British Library Bibliographic Services.
Chicago Style (17th ed.) CitationHolt, Brian P., A. B. Long, and Sally H. McCallum. UNIMARC Manual. International Federation of Library Associations and Institutions British Library Bibliographic Services, 1987.
MLA (8th ed.) CitationHolt, Brian P., et al. UNIMARC Manual. International Federation of Library Associations and Institutions British Library Bibliographic Services, 1987.
Warning: These citations may not always be 100% accurate.