Guerrero, A. M. (2000). Philippine ecodestinations. Philippine Star.
芝加哥风格引文Guerrero, Amadis Ma. "Philippine Ecodestinations." Philippine Star 2000.
MLA引文Guerrero, Amadis Ma. "Philippine Ecodestinations." Philippine Star, 2000.
警告：这些引文格式不一定是100％准确.