Mugas, N. V. (2006). Pilipinas Shell reconsiders pull out from local refining business. Manila Times.
Chicago Style (17. basım) AtıfMugas, Niel V. "Pilipinas Shell Reconsiders Pull Out from Local Refining Business." Manila Times 2006.
MLA (9th ed.) AtıfMugas, Niel V. "Pilipinas Shell Reconsiders Pull Out from Local Refining Business." Manila Times, 2006.
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