* 仕様書

- [6] [CITE@en[RFC 5890 - Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework]] ([TIME[2010-08-05 01:32:35 +09:00]] 版) <http://tools.ietf.org/html/rfc5890>
- [7] [CITE@en[RFC 5891 - Internationalized Domain Names in Applications (IDNA): Protocol]] ([TIME[2010-08-05 01:32:40 +09:00]] 版) <http://tools.ietf.org/html/rfc5891>
- [8] [CITE@en[RFC 5892 - The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)]] ([TIME[2010-08-05 01:32:32 +09:00]] 版) <http://tools.ietf.org/html/rfc5892>
- [9] [CITE@en[RFC 5893 - Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)]] ([TIME[2010-08-05 01:32:45 +09:00]] 版) <http://tools.ietf.org/html/rfc5893>
- [10] [CITE@en[RFC 5894 - Internationalized Domain Names for Applications (IDNA): Background, Explanation, and Rationale]] ([TIME[2010-08-05 01:32:43 +09:00]] 版) <http://tools.ietf.org/html/rfc5894>
- [11] [CITE@en[RFC 5895 - Mapping Characters for Internationalized Domain Names in Applications (IDNA) 2008]] ([TIME[2010-09-15 04:55:59 +09:00]] 版) <http://tools.ietf.org/html/rfc5895>