(1998). U.N. predicts world population to settle at 11 billion by 2000. Manila Bulletin.
Chicago Style (17th ed.) Citation"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin 1998.
MLA引文"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin, 1998.
警告：這些引文格式不一定是100％准確.