Romero, J. V. J. (2002). Global aging, not overpopulation, to shape future of world economy. Manila Times.
Chicago (17e ed.) BronvermeldingRomero, Jose V. Jr. "Global Aging, Not Overpopulation, to Shape Future of World Economy." Manila Times 2002.
MLA (9e ed.) BronvermeldingRomero, Jose V. Jr. "Global Aging, Not Overpopulation, to Shape Future of World Economy." Manila Times, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.