(2007). DFA exec favors gradual adoption of open skies. Manila Bulletin.
Chicago Style (17th ed.) Citation"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：這些引文格式不一定是100％准確.