(1991). 1990=Nineteen hundred and ninety Power Development Program. Manila Chronicle.
Chicago Style (17th ed.) Citation"1990=Nineteen Hundred and Ninety Power Development Program." Manila Chronicle 1991.
MLA引文"1990=Nineteen Hundred and Ninety Power Development Program." Manila Chronicle, 1991.
警告：這些引文格式不一定是100％准確.