APA (7e ed.) Bronvermelding

Ravallion, M. (1998). Poverty lines in theory and practice. World Bank.

Chicago (17e ed.) Bronvermelding

Ravallion, Martin. Poverty Lines in Theory and Practice. Washington, DC: World Bank, 1998.

MLA (8e ed.) Bronvermelding

Ravallion, Martin. Poverty Lines in Theory and Practice. World Bank, 1998.