Belen, E. H. (2001). Tapping biomass as energy source in the Philippines. PCARRD Monitor.
芝加哥风格引文Belen, Erlinda H. "Tapping Biomass as Energy Source in the Philippines." PCARRD Monitor 2001.
MLA引文Belen, Erlinda H. "Tapping Biomass as Energy Source in the Philippines." PCARRD Monitor, 2001.
警告：这些引文格式不一定是100％准确.