APA

Lloyd C. B., Kaufman C. e. & Hewett P.The spread of primary schooling in sub-saharan Africa: implications for fertility change. : .

Chicago

Lloyd C B, Kaufman C e and Hewett P.The spread of primary schooling in sub-saharan Africa: implications for fertility change. : .

Harvard

Lloyd C. B., Kaufman C. e. and Hewett P.The spread of primary schooling in sub-saharan Africa: implications for fertility change. : .

MLA

Lloyd C B, Kaufman C e and Hewett P.: . .