[1] WebTrust Program for Certification Authorities | Chartered Accountants of Canada (2015-04-04 20:46:10 +09:00 版) http://www.webtrust.org/homepage-documents/item27839.aspx

[2] WebTrust^SM/TM Program for Certification Authorities (2014-11-17 18:59:56 +09:00 版) http://www.webtrust.org/homepage-documents/item65306.pdf

[3] Trust Service Principles and Criteria for Certification Authorities (2014-11-17 18:59:57 +09:00 版) http://www.webtrust.org/homepage-documents/item54279.pdf

[4] (2014-11-01 05:09:16 +09:00 版) https://cabforum.org/wp-content/uploads/EV-V1_5_2Libre.pdf#page=11

WebTrust Program for CAs: The then-current version of the AICPA/CICA WebTrust Program for Certification
Authorities.