Philippines. Social Security System & Philippines(Republic) Social Security Commission. Annual report , 1958-.
芝加哥风格引文Philippines. Social Security System 与 Philippines(Republic) Social Security Commission. Annual Report , 1958-.
MLA引文Philippines. Social Security System 与 Philippines(Republic) Social Security Commission. Annual Report , 1958-.
警告：这些引文格式不一定是100％准确.