Lewis, M. (1988). The private sector and family planning in developing countries. Population and Human Resources Department, World Bank.
Citazione stile Chigago Style (17a edizione)Lewis, Maureen. The Private Sector and Family Planning in Developing Countries. [Washington, D.C.]: Population and Human Resources Department, World Bank, 1988.
Citatione MLA (9a ed.)Lewis, Maureen. The Private Sector and Family Planning in Developing Countries. Population and Human Resources Department, World Bank, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.