- [1]
[CITE[Precision Graphics Markup Language (PGML)]] ([TIME[2000-03-13 23:37:42 +09:00]] 版) <http://www.w3.org/TR/1998/NOTE-PGML-19980410>
-- [2] [CITE[Submission request to the World Wide Web Consortium]], [TIME[1998-04-10T14:17:05.000Z]], [TIME[2020-11-01T07:44:28.300Z]] <https://www.w3.org/Submission/1998/06/>
-- [3] [CITE@en[W3C Staff Comment on PGML Submission]], [TIME[1998-04-10T14:17:38.000Z]], [TIME[2020-11-01T07:44:50.849Z]] <https://www.w3.org/Submission/1998/06/Comment>

[4] → [[SVG]]