APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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