Loyola, J. A. (1997). Petron reports 13% profit growth. Manila Bulletin.
Chicago Style (17th ed.) CitationLoyola, James A. "Petron Reports 13% Profit Growth." Manila Bulletin 1997.
MLA引文Loyola, James A. "Petron Reports 13% Profit Growth." Manila Bulletin, 1997.
警告:這些引文格式不一定是100%准確.