Porcalla, D. (2004). Congress upheld validity of Smokey Mountain development. Philippine Star.
芝加哥风格引文Porcalla, Delon. "Congress Upheld Validity of Smokey Mountain Development." Philippine Star 2004.
MLA引文Porcalla, Delon. "Congress Upheld Validity of Smokey Mountain Development." Philippine Star, 2004.
警告：这些引文格式不一定是100％准确.