Philippines. Laws, statutes, etc. (1972). Social security law, 1972. Social Security System].
Chicago-viite (17. p.)Philippines. Laws, statutes, etc. Social Security Law, 1972. [Quezon City: Social Security System], 1972.
MLA-viite (9. p.)Philippines. Laws, statutes, etc. Social Security Law, 1972. Social Security System], 1972.
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