(1998). U.N. predicts world population to settle at 11 billion by 2000. Manila Bulletin.
Citación estilo Chicago"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin 1998.
Cita MLA"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin, 1998.
Warning: These citations may not always be 100% accurate.