Ishumi, A. G. M. (1994). 30 years of learning: Educational development in Eastern and Southern Africa from independence to 1990. International Development Research Centre.
芝加哥风格引文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引文Ishumi, Abel G. M. 30 Years of Learning: Educational Development in Eastern and Southern Africa from Independence to 1990. International Development Research Centre, 1994.
警告：这些引文格式不一定是100％准确.