[1] [CITE@ja[国際SIL - Wikipedia]]
( ([TIME[2011-09-02 10:22:03 +09:00]] 版))
<http://ja.wikipedia.org/wiki/%E5%9B%BD%E9%9A%9BSIL#SIL.E3.82.B3.E3.83.BC.E3.83.89>

[2] [CITE@ja[エスノローグ - Wikipedia]]
( ([TIME[2011-08-25 05:48:20 +09:00]] 版))
<http://ja.wikipedia.org/wiki/%E3%82%A8%E3%82%B9%E3%83%8E%E3%83%AD%E3%83%BC%E3%82%B0#SIL.E3.82.B3.E3.83.BC.E3.83.89>

[3] [CITE[Three-letter Codes for Identifying Languages]]
( ([TIME[2011-09-10 11:53:31 +09:00]] 版))
<http://www.ethnologue.com/codes/#downloading>