(1998). U.N. predicts world population to settle at 11 billion by 2000. Manila Bulletin.
Style de citation Chicago (17e éd.)"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin 1998.
Style de citation MLA (9e éd.)"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin, 1998.
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