(2003). Heed GMA's memorandum 30. IN Editorial [column]. Manila Times.
Chicago Style (17th ed.) Citation"Heed GMA's Memorandum 30. IN Editorial [column]." Manila Times 2003.
MLA引文"Heed GMA's Memorandum 30. IN Editorial [column]." Manila Times, 2003.
警告：這些引文格式不一定是100％准確.