Lua APA (7ú heag.)

Chen, D. H. C. (2004). Population age structure and the budget deficit. World Bank.

Lua i Stíl Chicago (17ú heag.)

Chen, Derek Hung Chiat. Population Age Structure and the Budget Deficit. Washington, D.C: World Bank, 2004.

Lua MLA (9ú heag.)

Chen, Derek Hung Chiat. Population Age Structure and the Budget Deficit. World Bank, 2004.

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