(2000). Las Piñas City, nanalo ng U.N. environment award. Kabayan.
Chicago Style (17th ed.) Citation"Las Piñas City, Nanalo Ng U.N. Environment Award." Kabayan 2000.
MLA引文"Las Piñas City, Nanalo Ng U.N. Environment Award." Kabayan, 2000.
警告：這些引文格式不一定是100％准確.