(2005). 99 metallurgists, mining engineers, geologists pass exams. Manila Bulletin.
Chicago (17e ed.) Bronvermelding"99 Metallurgists, Mining Engineers, Geologists Pass Exams." Manila Bulletin 2005.
MLA (9e ed.) Bronvermelding"99 Metallurgists, Mining Engineers, Geologists Pass Exams." Manila Bulletin, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.