As a Permanent Resident holder petition his mother from Singapore to become US Permament residence?

Can a Permanent Resident holder petition his mother from different country(exp. Malaysia) to become US Permament residence? Details please thanks
Answers:   
No. Only US citizens may petition their parents, and then the process is relatively quick. Permanent residents can simply sponsor their spouse and children.
No. PR can only petition their spouse and children. Only US Citizen can petition their parents.

http://www.uscis.gov/files/article/B1eng…
http://www.uscis.gov/files/article/A1eng…


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