請參考這個帖子的資料

来源: 2007-03-12 16:00:19 [旧帖] [给我悄悄话] 本文已被阅读:

http://www.americamember.org/guide/guide18.htm

&

https://egov.immigration.gov/cris/jsps/Processtimes.jsp?SeviceCenter=California