APA引文

(1997). Expanded Social Security coverage. IN Editorial [column]. Manila Bulletin.

芝加哥风格引文

"Expanded Social Security Coverage. IN Editorial [column]." Manila Bulletin 1997.

MLA引文

"Expanded Social Security Coverage. IN Editorial [column]." Manila Bulletin, 1997.

警告：这些引文格式不一定是100％准确.