Heller, P. S. (2003). Who will pay?: Coping with aging societies, climate change, and other long-term fiscal challenges. International Monetary Fund.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)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 -ийн эшлэл (9 дэх хэвлэлт)Heller, Peter S. Who Will Pay?: Coping with Aging Societies, Climate Change, and Other Long-term Fiscal Challenges. International Monetary Fund, 2003.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.