May-akda ni Social Security Administration I-access ang mapagkukunang ito dito English > https://www.ssa.gov/pubs/EN-05-11051.pdf Russian > https://www.ssa.gov/multilanguage/Russian/11051-RU.pdf Tagalog > https://www.ssa.gov/multilanguage/Tagalog/11051-TL.pdf Arabic > https://www.ssa.gov/multilanguage/Arabic/11051-AR.pdf Energy Level 150
