Hill, K. (1991). Demographic response to economic shock. Office of the Vice President, Development Economics, World Bank.
Chicago-viite (17. p.)Hill, Kenneth. Demographic Response to Economic Shock. Washington, D.C: Office of the Vice President, Development Economics, World Bank, 1991.
MLA-viite (9. p.)Hill, Kenneth. Demographic Response to Economic Shock. Office of the Vice President, Development Economics, World Bank, 1991.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.