(2005). 99 metallurgists, mining engineers, geologists pass exams. Manila Bulletin.
Style de citation Chicago (17e éd.)"99 Metallurgists, Mining Engineers, Geologists Pass Exams." Manila Bulletin 2005.
Style de citation MLA (9e éd.)"99 Metallurgists, Mining Engineers, Geologists Pass Exams." Manila Bulletin, 2005.
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