Arcellana, J. Y. Falling oil prices show fossil fuel a risky investment-UN climate chief. The Philippine Star.
芝加哥风格引文Arcellana, Juaniyo Y. "Falling Oil Prices Show Fossil Fuel a Risky Investment-UN Climate Chief." The Philippine Star .
MLA引文Arcellana, Juaniyo Y. "Falling Oil Prices Show Fossil Fuel a Risky Investment-UN Climate Chief." The Philippine Star, .
警告：这些引文格式不一定是100％准确.