Normas de biblioteconomia

• CDU - Classificação Decimal Universal
• Unimarc
• ISBD
  
• Normas técnicas Biblioteca Nacional de Portugal
  
• Audiovisuais
• Preservação de documentos
  

Instituições

• AACR - Anglo-American Cataloguing Rules (AACR)
• Dublin Core- The Dublin Core Metadata Initiative
• IFLA - Division of Bibliographic Control
• ISBN - The International Standard Book Number
• ISSN - International Standard Serial Number
• MARC Standards - MARC standards
• NISO - National Information Standards Organization - NISO standard developed through consensus, identifies model methods, materials, or practices for libraries, bibliographic and information services, and publishers.
• ONIX - ONIX for Books Product Information Message is the international standard for representing and communicating book industry product information in electronic form
• TEI - The Text Encoding Initiative (TEI) Guidelines are an international and interdisciplinary standard that facilitates libraries, museums, publishers, and individual scholars represent a variety of literary and linguistic texts for online research, teaching, and preservation.