Design/methodology/approach
The latest versions of MARC21 bibliographic format (2015) and UNIMARC (update 2012 of the 3rd edition, 2008) were studied and all the fields related to printed books and digital resources were extracted. Then the comparison between two formats was done in 5 steps. Subsequently, using a researcher-made questionnaire and a 5 point Likert-type scale checklist to gather experts’ viewpoints in Iran on final MARC format for Iran.