(1999). RI district 3810: Celebrating 80 years of civic action in the Philippines. Philippine Star.
芝加哥风格引文"RI District 3810: Celebrating 80 Years of Civic Action in the Philippines." Philippine Star 1999.
MLA引文"RI District 3810: Celebrating 80 Years of Civic Action in the Philippines." Philippine Star, 1999.
警告：这些引文格式不一定是100％准确.