APA引文

(2007). DFA exec favors gradual adoption of open skies. Manila Bulletin.

芝加哥风格引文

"DFA Exec Favors Gradual Adoption of Open Skies." Manila Bulletin 2007.

MLA引文

"DFA Exec Favors Gradual Adoption of Open Skies." Manila Bulletin, 2007.

警告：这些引文格式不一定是100％准确.