(2007). Urgent need for unity in biomass energy use [Speech]. Manila Bulletin.
Chicago Style (17th ed.) Citation"Urgent Need for Unity in Biomass Energy Use [Speech]." Manila Bulletin 2007.
MLA引文"Urgent Need for Unity in Biomass Energy Use [Speech]." Manila Bulletin, 2007.
警告：這些引文格式不一定是100％准確.