Heller, P. S. (2003). Who will pay?: Coping with aging societies, climate change, and other long-term fiscal challenges. International Monetary Fund.
芝加哥风格引文Heller, Peter S. Who Will Pay?: Coping with Aging Societies, Climate Change, and Other Long-term Fiscal Challenges. Washington, D.C.: International Monetary Fund, 2003.
MLA引文Heller, Peter S. Who Will Pay?: Coping with Aging Societies, Climate Change, and Other Long-term Fiscal Challenges. International Monetary Fund, 2003.
警告：这些引文格式不一定是100％准确.