APA-viite (7. p.)

(1998). U.N. predicts world population to settle at 11 billion by 2000. Manila Bulletin.

Chicago-viite (17. p.)

"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin 1998.

MLA-viite (9. p.)

"U.N. Predicts World Population to Settle at 11 Billion by 2000." Manila Bulletin, 1998.

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