(2005). 99 metallurgists, mining engineers, geologists pass exams. Manila Bulletin.
芝加哥风格引文"99 Metallurgists, Mining Engineers, Geologists Pass Exams." Manila Bulletin 2005.
MLA引文"99 Metallurgists, Mining Engineers, Geologists Pass Exams." Manila Bulletin, 2005.
警告：这些引文格式不一定是100％准确.