NSA chief: Spying thwarted 50 attacks. IN World News. The Philippine Star.
Chicago Style (17th ed.) Citation"NSA Chief: Spying Thwarted 50 Attacks. IN World News." The Philippine Star .
MLA引文"NSA Chief: Spying Thwarted 50 Attacks. IN World News." The Philippine Star, .
警告：這些引文格式不一定是100％准確.