See:
http://bbs.wenxuecity.com/immigration/571201.html
I-130上面要求填那个公民纸的号,我没有怎么办?
-Contact USCIS to find it if you forgot it,
http://bbs.wenxuecity.com/immigration/571201.html
I-130上面要求填那个公民纸的号,我没有怎么办?
-Contact USCIS to find it if you forgot it,