Romero, J. V. J. (2002). Global aging, not overpopulation, to shape future of world economy. Manila Times.
Chicago Style (17. basım) AtıfRomero, Jose V. Jr. "Global Aging, Not Overpopulation, to Shape Future of World Economy." Manila Times 2002.
MLA (9th ed.) AtıfRomero, Jose V. Jr. "Global Aging, Not Overpopulation, to Shape Future of World Economy." Manila Times, 2002.
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