.Knight, J. B., & .Sabot, R. H. (1990). Education, productivity, and inequality: The East African natural experiment. Published for the World Bank, Oxford University Press.
Lua i Stíl Chicago (17ú heag.).Knight, John B., agus Richard H. .Sabot. Education, Productivity, and Inequality: The East African Natural Experiment. Oxford ; New York: Published for the World Bank, Oxford University Press, 1990.
Lua MLA (9ú heag.).Knight, John B., agus Richard H. .Sabot. Education, Productivity, and Inequality: The East African Natural Experiment. Published for the World Bank, Oxford University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.