Coombs, P. H., & Ahmed, M. (1974). Attacking rural poverty: How nonformal education can help. Johns Hopkins University Press.
Chicago-viite (17. p.)Coombs, Philip H., ja Manzoor Ahmed. Attacking Rural Poverty: How Nonformal Education Can Help. Baltimore: Johns Hopkins University Press, 1974.
MLA-viite (8. p.)Coombs, Philip H., ja Manzoor Ahmed. Attacking Rural Poverty: How Nonformal Education Can Help. Johns Hopkins University Press, 1974.
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