APA-čujuhus (7. p.)
Ouma, S. J. (1990). 21 essays on co-operation and development in Kenya. Shirikon Publishers.
Chicago-čujuhus (17. p.)
Ouma, Sylvester J. 21 Essays on Co-operation and Development in Kenya. Nairobi, Kenya: Shirikon Publishers, 1990.
MLA-čujuhus (9. p.)
Ouma, Sylvester J. 21 Essays on Co-operation and Development in Kenya. Shirikon Publishers, 1990.
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