# PDF Reference, sixth edition

> specification of the PDF version 1.7 document file format

**Wikidata**: [Q26480769](https://www.wikidata.org/wiki/Q26480769)  
**Source**: https://4ort.xyz/entity/pdf-reference-sixth-edition


## References

1. PDF Reference, sixth edition
2. [Adobe](http://www.adobe.com/devnet/pdf/pdf_reference_archive.html)