Ishumi, A. G. M. (1994). 30 years of learning: Educational development in Eastern and Southern Africa from independence to 1990. International Development Research Centre.
Chicago-viite (17. p.)Ishumi, Abel G. M. 30 Years of Learning: Educational Development in Eastern and Southern Africa from Independence to 1990. Ottawa: International Development Research Centre, 1994.
MLA-viite (9. p.)Ishumi, Abel G. M. 30 Years of Learning: Educational Development in Eastern and Southern Africa from Independence to 1990. International Development Research Centre, 1994.
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